Papers Published in Scientific Journals

Papakonstantinou M., Sergiou S., Geraga M., Prandekou A., Dimas X., Fakiris E., Christodoulou D. & Papatheodorou G. (2024) Sedimentological, Geochemical, and Environmental Assessment in an Eastern Mediterranean, Stressed Coastal Setting: The Gialova Lagoon, SW Peloponnese, Greece. Water, vol. 16, no. 16
https://doi.org/10.3390/w16162312.

Gkaragkouni A., Sergiou S., Geraga M., Christodoulou D., Dimas X., Papatheodorou G. (2024) Metal pollution chronology and ecological risk assessment in marine sediments of Perama - Salamina strait, Saronikos gulf, Greece. Regional Studies in Marine Science, Volume 76, 103584, ISSN 2352-4855
https://doi.org/10.1016/j.rsma.2024.103584

Sergiou S., Geraga M., Pechlivanidou S., Gawthorpe R.L., Ninnemann U., Meckler A.N., Modestou S., Angelopoulou D., Antoniou D., Diz P., McNeill L., J. Shillington D., Papatheodorou G. (2024) Stratigraphic and paleoceanographic alternations within a Mediterranean semi-enclosed, syn-rift basin during Marine Isotope Stage 5: The Gulf of Corinth, Greece. Marine Geology, Volume 474, 107340, ISSN 0025-3227
https://doi.org/10.1016/j.margeo.2024.107340

Brunović D., Hasan O., Miko S.,  Georgiou N., Geraga M., Christodoulou D., Dimas X., Ilijanić N., Papatheodorou G. (2024) High-resolution seismic record of the Quaternary palaeoenvironments along a Dalmatian-type coast (Lošinj Channel, Adriatic Sea). Marine Geology, Volume 474, 107325, ISSN 0025-3227.
https://doi.org/10.1016/j.margeo.2024.107325

Kouvara K., Kosmopoulou A., Fakiris E., Christodoulou D.,  Filippides A., Katsanevakis S., Ioakeimidis C., Geraga M.,  Xirotagarou P., Galgani F., Papatheodorou G. (2024) Assessing marine litter in a highly polluted area in the Mediterranean: A multi-perspective approach in the Saronikos Gulf, Greece. Marine Pollution Bulletin Volume 203, June 2024, 116497 
https://doi.org/10.1016/j.marpolbul.2024.116497

Noti A., Geraga M., Lourens L. J., Iliopoulos I., Vlachopoulos A. G., Papatheodorou G. (2024) Imprints of Holocene aridity variability in the Aegean Sea and interconnections  with north-latitude areas. The Holocene, 0(0).
https://doi.org/10.1177/09596836241247300

Kozanoglou C., Triantaphyllou M.V., Geraga M., Rousakis G., Papatheodorou G., Arabas A., Dimiza M.D., Gogou A. (2023) A high-resolution study of planktonic foraminifera during the Holocene at the Tilos-Symi sea basin in the SE Aegean Sea. Holocene, 33 (11), pp. 1317 - 1332
DOI: 10.1177/09596836231185831

Prieto J, Bruno F, Lagudi A, Ricca M, La Russa MF, Papatheodorou G, Mišković N. (2023) Advanced Technologies for Maritime and Underwater Archaeology. Journal of Marine Science and Engineering 11(3):593. https://doi.org/10.3390/jmse11030593

Levy T.E., Papatheodorou G., Geraga M., Christodoulou D., Georgiou N., Kordella S., Gkionis P., Spondylis I., Michalis M., Dima, X., Tsoulakou M., Kylafi M., Vouvalidis K., Tamberino A., Clark L., Reece J., Cantu K., Walsh R., McDonald C., Shtienberg, G. (2023) DIGITAL UNDERWATER TECHNOLOGIES IN THE METHONI BAY CULTURAL HERITAGE PROJECT, GREECE: INTERDISCIPLINARY APPROACHES AND SUSTAINABILITY. Scientific Culture 9(1), pp. 51–88
https://doi.org/10.5281/zenodo.7265745

Depountis N, Apostolopoulos D, Boumpoulis V, Christodoulou D, Dimas A, Fakiris E, Leftheriotis G, Menegatos A, Nikolakopoulos K, Papatheodorou G, Sabatakakis N. (2023) Coastal Erosion Identification and Monitoring in the Patras Gulf (Greece) Using Multi-Discipline Approaches. Journal of Marine Science and Engineering 11(3):654. 
https://doi.org/10.3390/jmse11030654

Fakiris E, Papatheodorou G, Christodoulou D, Roumelioti Z, Sokos E, Geraga M, Giannakopoulos V, Dimas X, Ferentinos G. Using (2023) Distributed Temperature Sensing for Long-Term Monitoring of Pockmark Activity in the Gulf of Patras (Greece): Data Processing Hints and Preliminary Findings. Sensors 23(20):8520.
https://doi.org/10.3390/s23208520

Christodoulou D, Papatheodorou G, Geraga M, Etiope G, Giannopoulos N, Kokkalas S, Dimas X, Fakiris E, Sergiou S, Georgiou N, et al. (2023) Geophysical and Geochemical Exploration of the Pockmark Field in the Gulf of Patras: New Insights on Formation, Growth and Activity. Applied Sciences 13(18):10449.
https://doi.org/10.3390/app131810449

Fakiris E., Dimas X., Giannakopoulos V., Geraga M., Koutsikopoulos C., Ferentinos G., Papatheodorou G. (2023) Improved predictive modelling of coralligenous formations in the Greek Seas incorporating large-scale, presence–absence, hydroacoustic data and oceanographic variables, Frontiers Mar. Sci. Volume 10
https://doi.org/10.3389/fmars.2023.1117919 

Fakiris E., Giannakopoulos V., Leftheriotis G., Dimas A., Papatheodorou G. (2023) Predictive Mapping of Mediterranean Seagrasses-Exploring the Influence of Seafloor Light and Wave Energy on Their Fine-Scale Spatial Variability, Remote Sens. 15(11), 2943
https://doi.org/10.3390/rs15112943

G. Ferentinos, M. Gkioni, M. Prevenios, M. Geraga, G. Papatheodorou (2023) Archaic hominins maiden voyage in the Mediterranean Sea, Quaternary International, ISSN 1040-6182
https://doi.org/10.1016/j.quaint.2022.09.001

W. Kang, S. Li, R. L. Gawthorpe, M. Ford, R. E. Ll. Collier, X. Yu, L. Janikian, C. W. Nixon, R. Hemelsdaël, S. Sergiou, J. Gillespie, S. Pechlivanidou, de Gelder, G. (2022) Grain-Size Analysis of the Late Pleistocene Sediments in the Corinth Rift: Insights into Strait Influenced Hydrodynamics and Provenance of an Active Rift Basin, Geological Society, London, Special Publications, 523(1), SP523-2022
https://doi.org/10.1144/SP523-2022-166

Sergiou, S., Geraga, M., Rohling, E.J., Rodríguez-Sanz, L., Prandekou, A., Noti, A., Paraschos, F., Sakellariou, D., Bailey, G. (2022) The evolution of seafloor environmental conditions in the southern Red Sea continental shelf during the last 30 ka. Marine Micropaleontology, 177, 102181
https://doi.org/10.1016/j.marmicro.2022.102181

Sergiou, S., Geraga, M., Rohling, E., Rodríguez-Sanz, L., Hadjisolomou, E., Paraschos, F., Sakellariou D., Bailey, G. (2022) Influences of sea level changes and the South Asian Monsoon on southern Red Sea oceanography over the last 30 ka. Quaternary Research, 110, 114-132.
https://doi.org/10.1017/qua.2022.16

Noti, A., Lourens, L.J., Geraga, M.; Wesselingh, F.P., Haghipour, N., Georgiou, N., Christodoulou, D., Sergiou, S., Dimas, X., Vlachopoulos, A.G.; Papatheodorou, G. (2022) Holocene Paleoenvironmental Evolution of a Semi-Enclosed Shallow Aegean Basin: A Combination of Seismic Stratigraphy and Sediment Core Proxies. Water 14, 3688.
https://doi.org/10.3390/w14223688

Kouvara, K., Papatheodorou, G., Kosmopoulou, A., Giovos, I., Charitou, A., Filippides, A., Kaberi, H., Kalaitzi, L., Kyrkitsos, F., Koundouri, P., Triantafyllou, C., Gletsos, M., Fakiris, E., Geraga, M. (2022) COVID-19-related litter pollution on Greek beaches and nearshore shallow water environments. Marine Pollution Bulletin, 185, 114250
https://doi.org/10.1016/j.marpolbul.2022.114250

Georgiou, N., Geraga, M., Francis-Allouche, M., Christodoulou, D., Stocchi, P., Fakiris, E., Dimas, X., Zoura, D., Iatrou, M., Papatheodorou, G. (2022) Late Pleistocene submarine terraces in the Eastern Mediterranean, central Lebanon, Byblos: Revealing their formation time frame through modeling. Quaternary International, 638-639, pp. 180–196
https://doi.org/10.1016/j.quaint.2021.12.008

Dimas, X., Fakiris, E., Christodoulou, D., Georgiou, N., Geraga, M., Papathanasiou, V., Orfanidis, S., Kotomatas, S., Papatheodorou, G.(2022) Marine priority habitat mapping in a Mediterranean conservation area (Gyaros, South Aegean) through multi-platform marine remote sensing techniques. Frontiers in Marine Science, 9, 953462
https://doi.org/10.3389/fmars.2022.953462

Panayotidis, P., Papathanasiou, V., Gerakaris, V., Fakiris, E., Orfanidis, S., Papatheodorou, G., Kosmidou, M., Georgiou, N., Drakopoulou, V., Loukaidi, V.(2022) Seagrass meadows in the Greek Seas: Presence, abundance and spatial distribution. Botanica Marina, 65(4), pp. 289–299
https://doi.org/10.1515/bot-2022-0011

Šolaja, D., Miko, S., Brunović, D., Ilijanić, N., Hasan, O., Papatheodorou, G., Geraga, M., Durn, T., Christodoulou, D., Razum, I. (2022) Late Quaternary Evolution of a Submerged Karst Basin Influenced by Active Tectonics (Koločep Bay, Croatia). Journal of Marine Science and Engineering, 10(7), 881
https://doi.org/10.3390/jmse10070881

Fakiris, E., Papatheodorou, G., Kordella, S., Christodoulou, D., Galgani, F., Geraga, M. (2022) Insights into seafloor litter spatiotemporal dynamics in urbanized shallow Mediterranean bays. An optimized monitoring protocol using towed underwater cameras. Journal of Environmental Management, 308, 114647
https://doi.org/10.1016/j.jenvman.2022.114647

Rubi, R., Hubert-Ferrari, A., Fakiris, E., Christodoulou, D., Dimas, X., Geraga, M., Papatheodorou, G., Caterina, B. (2022) Hydrodynamics and sedimentary processes in the modern Rion strait (Greece): Interplay between tidal currents and internal tides. Marine Geology, 446, 106771
https://doi.org/10.1016/j.margeo.2022.106771

Prandekou, A., Geraga, M., Kaberi, H., Sergiou, S., Christodoulou, D., Ferentinos, G., Koutsikopoulos, C., Papatheodorou, G. (2022) Spatiotemporal assessment of the environmental quality of bottom waters through the study of benthic foraminifera in a semi-enclosed gulf. Marine Pollution Bulletin, 2022, 174, 113260
https://doi.org/10.1016/j.marpolbul.2021.113260

Gkionis, P., Papatheodorou, G., Geraga, M. (2021) The benefits of 3D and 4D synthesis of marine geophysical datasets for analysis and visualisation of shipwrecks, and for interpretation of physical processes over shipwreck sites: A case study off Methoni, Greece. Journal of Marine Science and Engineering, 9(11), 1255
https://doi.org/10.3390/jmse9111255

Gkaragkouni, A., Sergiou, S., Geraga, M., Papaefthymiou, H., Christodoulou, D., Papatheodorou, G. (2021) Heavy Metal Distribution, Sources and Contamination Assessment in Polluted Marine Sediments: Keratsini Outfall Sewer Area, Saronikos Gulf, Greece. Water, Air, and Soil Pollution, 232(11), 477
https://doi.org/10.1007/s11270-021-05400-z

Georgiou, N., Dimas, X., Papatheodorou, G. (2021) Integrated methodological approach for the documentation of marine priority habitats and submerged antiquities: Examples from the Saronic Gulf, Greece. Sustainability (Switzerland), 13(21), 12327
https://doi.org/10.3390/su132112327

Georgiou, N., Dimas, X., Fakiris, E.,Christodoulou, D., Geraga, M., Koutsoumpa, D., Baika, K., Kalamara, P., Ferentinos, G., Papatheodorou, G. (2021) A multidisciplinary approach for the mapping, automatic detection and morphometric analysis of ancient submerged coastal installations: The case study of the ancient Aegina harbour complex. Remote Sensing, 13(21), 4462
https://doi.org/10.3390/rs13214462

Leontopoulou, G., Christidis, G.E., Rousakis, G., Müller, N. S., Papatheodorou, G., Geraga, M. (2021) Provenance analysis of sediments in the south-east Aegean during the Upper Quaternary: a composite approach based on bulk and clay mineralogy and geochemistry. Clay Minerals,56(3), pp. 229–249
https://doi.org/10.1180/clm.2022.2

Papatheodorou, G., Geraga, M., Christodoulou, D.,Fakiris, E., Iatrou, M., Georgiou, N., Dimas, X., Ferentinos, G. (2021) The battle of Lepanto search and survey mission (1971–1972) by Throckmorton, Edgerton and Yalouris: Following their traces half a century later using marine geophysics. Remote Sensing, 2021, 13(16), 3292
https://doi.org/10.3390/rs13163292

Papatheodoeou, G., Geraga, M., Georgiou, N., Christodoulou, D., Dimas, X., Fakiris, E. (2021). Marine geoarchaeological survey offshore Anfeh, Lebanon. Bulletin d'Archéologie et d'Architecture Libanaises (BAAL) (in press).

Hadjisolomou, E., Stefanidis, K., Herodotou, H., Michaelides, M., Papatheodorou, G., Papastergiadou, E. (2021). Modelling Freshwater Eutrophication with Limited Limnological Data Using Artificial Neural Networks. Water 13, 1590.

Tsampouraki-Kraounaki, K., Sakellariou, D., Rousakis, G., Morfis, I., Panagiotopoulos, I., Livanos, I., Manta, K., Paraschos, F., Papatheodorou, G. (2021). The Santorini-Amorgos shear zone: evidence for dextral transtension in the South Aegean back-arc region, Greece. Geosciences 11, 216. 

Georgiou, N., Fakiris, E., Koutsikopoulos, C., Papatheodorou, G., Christodoulou, D., Dimas, X., Geraga, M., Kapellonis, Z.G., Vaziourakis, K.M., Noti, A., Antoniou, D., Ferentinos, G. (2021). Spatio-Seasonal Hypoxia/Anoxia Dynamics and Sill Circulation Patterns Linked to Natural Ventilation Drivers, in a Mediterranean Landlocked Embayment: Amvrakikos Gulf, Greece. Geosciences 11(6), 241.

Tziourrou, P., Kordella, S., Ardali, Y., Papatheodorou, G., Karapanagioti, H.K. (2021). Microplastics formation based on degradation characteristics of beached plastic bags. Mar. Pollut. Bull. 169, 112470. 

Kordella, S., Christodoulou, D., Fakiris, E., Geraga, M., Kokkalas, S., Marinaro, G., Iatrou M., Ferentinos, G., Papatheodorou, G. (2021). Gas Seepage-Induced Features in the Hypoxic/Anoxic, Shallow, Marine Environment of Amfilochia Bay, Amvrakikos Gulf (Western Greece). Geosciences 11(1), 27.

Politikos, D.V., Fakiris, E., Davvetas, A., Klampanos, I.A., Papatheodorou, G. (2021). Automatic detection of seafloor marine litter using towed camera images and deep learning. Mar. Poll. Bull. 164, 111974.

Canals, M., Pham, C.K., Bergmann, M., Gutow, L., Hanke, G., van Sebille, E., Angiolillo, M., Buhl-Mortensen, L., Cau, A., Ioakeimidis, C., Kammann, U., Lundsten, L., Papatheodorou, G., Purser, A., Sanchez-Vidal, A., Schulz, M., Vinci, M., Chiba, S., Galgani, F., Langenkämper, D., Möller, T., Nattkemper, T.W., Ruiz, M., Suikkanen, S., Woodall, L., Fakiris, E., Molina Jack, E., Giorgetti, A. (2021). The quest for seafloor macrolitter: A critical review of background knowledge, current methods and future prospects. Environ. Res. Lett. 16(2), 023001.

Kordella, S., Ciotoli, G., Dimas, X., Papatheodorou, G., Etiope, G. (2020). Increased methane emission from natural gas seepage at Katakolo Harbour (Western Greece). Appl. Geochemistry 116, 104578.

Geraga, M., Christodoulou, D., Eleftherakis, D., Papatheodorou, G., Fakiris, E., Dimas, X., Georgiou, N., Kordella, S., Prevenios, M., Iatrou, M., Zoura, D., Kekebanou, S., Sotiropoulos, M., Ferentinos, G. (2020). Atlas of Shipwrecks in Inner Ionian Sea (Greece): A Remote Sensing Approach. Heritage 3(4), 1210-1236.

Geraga, M., Papatheodorou, G., Christodoulou, D., Fakiris, E., Iatrou, M., Kordella, S., Prevenios, M., Deregas, N., Vafiadou, K. (2020). Underwater Geoarchaeological Survey of Lake Pamvotis, Greece. OAJAA 2(4)

Mousouliotis, A.G., Albanakis, K., Georgakopoulos, A., Papatheodorou, G., Tripsanas, E.K., Medvedev, B. (2020). Pre-salt clastic systems in the Herodotus Basin, SE Mediterranean Sea. Mar. Pet. Geol. 122, 104691.

Hasan, O., Miko, S., Brunović, D., Papatheodorou, G., Christodolou, D., Ilijanić, N., Geraga, M. (2020). Geomorphology of Canyon Outlets in Zrmanja River Estuary and Its Effect on the Holocene Flooding of Semi-enclosed Basins (the Novigrad and Karin Seas, Eastern Adriatic). Water 12(10), 2807.

Ricca, M., Alexandrakis, G., Bonazza, A., Bruno, F., Davidde Petriaggi, B., Elkin, D., Lagudi, A., Nicolas, S., Novák, M., Papatheodorou, G., Prieto, J., Ricci, M., Vasilijevic, A., Francesco La Russa, M. (2020). A Sustainable Approach for the Management and Valorization of Underwater Cultural Heritage: New Perspectives from the TECTONIC Project. Sustainability 12(12), 5000

Brunović, D., Miko, S., Hasan, O., Papatheodorou, G., Ilijanić, N., Miserocchi, S., Correggiari, A., Geraga, M. (2020). Late Pleistocene and Holocene paleoenvironmental reconstruction of a drowned karst isolation basin (Lošinj Channel, NE Adriatic Sea). Palaeogeogr. Palaeoclimatol. Palaeoecol. 544, 109587.

Gkionis, P., Papatheodorou, G., Geraga, M., Fakiris, E., Christodoulou, D., Tranaka, K. (2020). A marine geoarchaeological investigation for the cultural anthesis and the sustainable growth of Methoni, Greece. J. Cult. Herit. 42, 158–170.

Papachristopoulou, I., Filippides, A., Fakiris, E., Papatheodorou, G. (2020). Vessel-based photographic assessment of beach litter in remote coasts. A wide scale application in Saronikos Gulf, Greece. Mar. Poll. Bull. 150, 110684.

Politikos, D.V., Tsiaras, K., Papatheodorou, G., Anastasopoulou, A. (2020). Modeling of floating marine litter originated from the Eastern Ionian Sea: Transport, residence time and connectivity. Mar. Poll. Bull. 150, 110727

Ferentinos, G., Fakiris, E., Christodoulou, D., Papatheodorou, G., Prevenios, M., Sotiropoulos, M. (2020). Optimal sidescan sonar and subbottom profiler surveying of ancient wrecks: The ‘Fiskardo’ wreck, Kefallinia Island, Ionian Sea. J. Archaeol. Sci. 113, 105032.

McNeill, L.C., Shillington, D.J., Carter, G.D.O., Everest, J.D., Gawthorpe, R.L., Miller, C., Phillips, M.P., Collier, R.E.L., Cvetkoska, A., Gelder, G. De, Diz, P., Doan, M., Ford, M., Geraga, M., Gillespie, J., Hemelsdae, R., Herrero-Bervera, E., Ismaiel, M., Janikian, L., Kouli, K., Le Ber, E., Li, S., Maffione, M., Mahoney, C., Machlus, M., Michas, G., Nixon, C.W., Oflaz, S.A., Omale, A., Panagiotopoulos, K., Pechlivanidou, S., Sauer, S., Seguin, J., Sergiou, S., Zakharova, N., Green, S. (2019). High-resolution record reveals climate-driven environmental and sedimentary changes in an active rift. Scientific Reports, 9. 

Gournia, C., Fakiris, E., Geraga, M., Williams, D.P., Papatheodorou, G. (2019). Automatic detection of trawl-marks in sidescan sonar images through spatial domain filtering, employing Haar-like features and morphological operations. Geosciences 9(5), 214.

Leontopoulou, G., Christidis, G.E., Geraga, M., Papatheodorou, G., Koutsopoulou, E. (2019). A novel mineralogical approach for provenance analysis of late Quaternary marine sediments: The case of Myrtoon Basin and Cretan Sea, Aegean, Greece. Sediment. Geol. 384, 70-84.

Fakiris, E., Blondel, P., Papatheodorou, G., Christodoulou, D., Dimas, X., Georgiou, N., Kordella, S., Dimitriadi,s C., Rzhanov, Y., Geraga, M., Ferentinos, G. (2019). Multi-frequency, multi-sonar mapping of shallow habitats—efficacy and management implications in the National Marine Park of Zakynthos, Greece. Remote Sens. 11(4), 461.

Nikolakopoulos, K.G., Lampropoulou, P., Fakiris, E., Sardelianos, D., Papatheodorou, G. (2018). Synergistic use of UAV and USV data and petrographic analyses for the investigation of beachrock formations: A case study from Syros Island, Aegean Sea, Greece. Minerals 8(11), 534.

Ferentinos, G., Georgiou, N., Christodoulou, D., Geraga, M., Papatheodorou, G. (2018). Propagation and termination of a strike slip fault in an extensional domain: The westward growth of the North Anatolian Fault into the Aegean Sea. Tectonophysics 745, 183-195.

Fakiris, E., Zoura, D., Ramfos, A., Spinos, E., Georgiou, N., Ferentinos, G., Papatheodorou G. (2018). Object-based classification of sub-bottom profiling data for benthic habitat mapping. Comparison with sidescan and RoxAnn in a Greek shallow-water habitat. Estuar. Coast. Shelf Sci. 208, 219-234.

Hadjisolomou, E., Stefanidis, K., Papatheodorou, G., Papastergiadou, E. (2018). Assessment of the eutrophication-related environmental parameters in two Mediterranean lakes by integrating statistical techniques and self-organizing maps. Int. J. Environ. Res. Public Health 15 (3), 547.

Beckers, A., Hubert, A., Beck, C., Papatheodorou, G., De Batist, M., Sakellariou, D., Tripsanas, E., Demoulin, A. (2018). Characteristics and frequency of large submarine landslides at the western tip of the Gulf of Corinth. Nat. Hazards Earth Syst. Sci. 18, 1–15.

Prevenios, M., Zeri, C., Tsangaris, C., Liubartseva, S., Fakiris, E., Papatheodorou, G. (2018). Beach litter dynamics on Mediterranean coasts: Distinguishing sources and pathways. Mar. Pollut. Bull. 129 (2), 448-457.

Tsakalos, E., Athanassas, C., Bassiakos, Y., Tsipas, P., Triantaphyllou, M., Geraga, M., Papatheodorou, G., Christodoulakis, J., Kazantzaki, M., (2018). Luminescence geochronology and paleoenvironmental implications of coastal deposits of southeast Cyprus. Archaeol. Anthropol. Sci. 10, 41-60.

Francis-Allouche, M., Grimal, N., Abdul Massih, H., Herbich T., Carayon, N., Papatheodorou, G., Geraga, M., Georgiou, N., Christodoulou, D., Mathé, V., Adrien, C. (2017). Byblos maritime: une installation portuaire au piémont sud de la ville antique. BAAL - Bulletin d'Archéologie et d'Architecture Libanaises, Ministère de la Culture - Direction Générale des Antiquités 17, 197-262.

Hadjisolomou, E., Stefanidis, K., Papatheodorou, G., Papastergiadou, E. (2017). Evaluating the contributing environmental parameters associated with euthrophication in a shallow lake by applying artificial neural networks techniques. Fresenius Environmental Bulletin 26, 5, 3200-3208.

Papaefthymiou, H., Gkaragkouni, A., Papatheodorou, G., Geraga, M. (2017). Radionuclide activities and elemental concentrations in sediments from a polluted marine environment (Saronikos Gulf-Greece). J. Radioanal. Nucl. Chem. 314(3), pp. 1841-1852.

Sini, M., Katsanevakis, S., Koukourouvli, N., Gerovasileiou, V., Dailianis, T., Buhl-Mortensen, L., Damalas, D., Dendrinos, P., Dimas, X., Frantzis, A., Gerakaris, V., Giakoumi, S., Gonzalez-Mirelis, G., Hasiotis, T., Issaris, Y., Kavadas, S.G., Koutsogiannopoulos, D.D., Koutsoubas, D., Manoutsoglou, E., Markantonatou, V., Mazaris, A.D., Poursanidis, D., Papatheodorou, G., Salomidi, M., Topouzelis, K., Trygonis, V., Vassilopoulou, V., Zotou, M. (2017). Assembling ecological pieces to reconstruct the conservation puzzle of the Aegean Sea. Front. Mar. Sci. 4, 347.

Politikos, D.V., Ioakeimidis, C., Papatheodorou, G., Tsiaras, K. (2017). Modeling the fate and distribution of floating litter particles in the Aegean Sea (E. Mediterranean). Front. Mar. Sci. 4, 191.

Geraga, M., Papatheodorou, G., Agouridis, C., Kaberi, H., Iatrou, M., Christodoulou, D., Fakiris, E., Prevenios, M., Kordella, S., Ferentinos, G. (2017). Palaeoenvironmental implications of a marine geoarchaeological survey conducted in the SW Argosaronic Gulf, Greece. J. Archaeol. Sci. Rep. 12, 805-818.

Sabatakakis, N., Nikolakopoulos, K.G., Papatheodorou, G., Kelasidis, G. (2016). A multisource approach for coastal mapping purposes: Limeni Bay, Mani and surrounding area, southern Greece. Earth Sci. Inform. 9, 183-196.

Zelilidis, A., Papatheodorou, G., Maravelis, A. G., Christodoulou, D., Tserolas, P., Fakiris, E., Dimas, X., Georgiou, N., Ferentinos G. (2016). Interplay of thrust, back-thrust, strike-slip and salt tectonics in a Fold and Thrust Belt system: An example from Zakynthos Island, Greece. Int. J. Earth Sci. (Geol Rundsch) 105, 2111–2132.

Fakiris, E., Papatheodorou, G., Geraga, M., Ferentinos, G. (2016). An automatic target detection algorithm for swath sonar backscatter imagery, using image texture and independent component analysis. Remote Sens. 8(5), 373.

Ioakeimidis, C., Fotopoulou, K.N.,  Karapanagioti, H.K., Geraga, M., Zeri, C.,  Papathanassiou, E., Galgani, F., Papatheodorou, G. (2016). The degradation potential of PET bottles in the marine environment: An ATR-FTIR based approach. Sci. Rep. 6, 23501.

Nixon, C.W., McNeill, L.C., Bull, J.M., Bell, R.E., Gawthorpe, R.L., Henstock, T.J., Christodoulou, D., Ford, M., Taylor, B., Sakellariou, D., Ferentinos, G., Papatheodorou, G., Leeder, M.R., Collier, R.E.LI., Goodliffe, A.M., Sachpazi, M., Kranis, H. (2016). Rapid spatiotemporal variations in rift structure during development of the Corinth Rift, central Greece. Tectonics 35(5), 1225-1248.

Beckers, A., Beck, C., Hubert-Ferrari, A., E., Tripsanas, C., Crouzet, D., Sakellariou, Papatheodorou, G., De Batist, M. (2016). Influence of bottom currents on the sedimentary processes at the western tip of the Gulf of Corinth, Greece. Mar. Geol. 378, pp. 312-332.

Hadjisolomou, E., Stefanidis, K., Papatheodorou, G., Papastergiadou, E. (2016). Assessing the contribution of the environmental parameters to eutrophication with the use of the “PaD” and “PaD2” methods in a hypereutrophic lake. Int. J. Environ. Res. Public Health. 13(8), 764.

Avramidis, P., Bekiari, V., Christodoulou, D., Papatheodorou, G. (2015). Sedimentology and water column stratification in a permanent anoxic Mediterranean lagoon environment, Aetoliko Lagoon, Western Greece.  Environ. Earth Sci..

Ferentinos, G., Papatheodorou, G., Geraga, M., Christodoulou, D., Fakiris, E., Iatrou, M. (2015). The disappearance of Helike-Classical Greece—new remote sensing and geological evidence. Remote Sens. 7, 1263-1278.

Geraga, M., Papatheodorou, G., Ferentinos, G., Fakiris, E., Christodoulou, D., Georgiou, N., Dimas, X., Iatrou, M., Kordella, S., Sotiropoulos, G., Mentogiannis, V., Delaporta, K. (2015). The study of an ancient shipwreck using marine remote sensing techniques, in Kefalonia Island (Ionian Sea), Greece. Archaeologia Maritima Mediterranea - An International Journal on Underwater Archaeology 12, 183-200.

Ioakeimidis, C., Papatheodorou, G., Fermeli, G., Streftaris, N., Papathanassiou, E. (2015). Use of ROV for assessing marine litter on the seafloor of Saronikos Gulf (Greece): a way to fill data gaps and deliver environmental education. SpringerPlus 4, 463. 

Christia, C., Papastergiadou, E., Papatheodorou, G., Geraga, M., Papadakis, E. (2014). Seasonal and spatial variations of water quality, substrate and aquatic macrophytes based on side scan sonar, in an eastern Mediterranean lagoon (Kaiafas, Ionian Sea). Environ. Earth Sci. 71, 3543–3558. 

Friedrich, J. , Janssen, F., Aleynik, D., Bange, H.W., Boltacheva, N., Çagatay, M.N., Dale, A.W., Etiope, G., Erdem, Z., Geraga, M., Gilli, A., Gomoiu, M.T., Hall, P.O.J., Hansson, D., He, Y., Holtappels, M., Kirf, M.K., Kononets, M., Konovalov, S., Lichtschlag, A., Livingstone, D.M., Marinaro, G., Mazlumyan, S., Naeher, S., North, R.P., Papatheodorou, G., Pfannkuche, O., Prien, R., Rehder, G., Schubert, C.J., Soltwedel, T., Sommer, S., Stahl, H., Stanev, E.V., Teaca, A., Tengberg, A., Waldmann, C., Wehrli, B., Wenzhöfer, F. (2014). Investigating hypoxia in aquatic environments: Diverse approaches to addressing a complex phenomenon. Biogeosciences 11(4), 1215-1259. 

Charalampakis, M., Lykousis, V., Sakellariou, D., Papatheodorou, G., Ferentinos, G. (2014). The tectono-sedimentary evolution of the Lechaion Gulf, the south eastern branch of the Corinth graben, Greece. Mar. Geol. 351, 58-75. 

Papatheodorou, G., Geraga, M., Christodoulou, D., Iatrou, M., Fakiris, E., Heath, S., Baika, K. (2014). A marine geoarchaeological survey, Cape Sounion, Greece: Preliminary results. MAA 14(1), 357-371. 

Ioakeimidis, C., Zeri, C., Kaberi, H., Galatchi, M., Antoniadis, K., Streftaris, N., Galgani, F., Papathanassiou, E., Papatheodorou, G. (2014). A comparative study of marine litter on the seafloor of coastal areas in the Eastern Mediterranean and Black Seas. Mar. Poll. Bull. 89(1–2), 296–304. 

Ferentinos, G., Gkioni, M., Geraga, M., Papatheodorou, G (2014). Neanderthal and anatomically modern human seafarers in the Aegean Archipelago, Mediterranean Sea. Aegaeum 37, 165-172. 

Etiope, G., Christodoulou, D., Kordella, S., Marinaro, G., Papatheodorou, G. (2013). Offshore and onshore seepage of thermogenic gas at Katakolo Bay (Western Greece). Chemical Geol. 339, 115–126. 

Kordella, S., Geraga, M., Papatheodorou, G., Fakiris, E., Mitropoulou, I.M. (2013). Litter composition and source contribution for 80 beaches in Greece, Eastern Mediterranean: A nationwide voluntary clean-up campaign. Aquat. Ecosyst. Health Manag. 16(1), 111-118. 

Papaefthymiou, H., Athanasopoulos, D., Papatheodorou, G., Iatrou, M.,  Geraga, M.,  Christodoulou, D., Kordella, S., Fakiris, E., Tsikouras, B. (2013). Uranium and other natural radionuclides in the sediments of a Mediterranean fjord-like embayment, Amvrakikos Gulf (Ionian Sea), Greece. Journal of Environmental Radioactivity, 122, 43-54.

Etiope, G., Tsikouras, B., Kordella, S., Ifandi, E., Christodoulou, D., Papatheodorou, G. (2013). Methane flux and origin in the Othrys ophiolite hyperalkaline springs, Greece. Chem. Geol. 347, 161-174. 

Gkioni, M., Geraga, M., Papatheodorou, G., Ferentinos, G. (2013). Sea-level changes from the Middle Palaeolithic to the Early Neolithic period and their implications on the colonization of the Ionian Islands in western Greece. Stable Places and Changing Perceptions: Cave Archaeology in Greece. BAR International Series 2558, 99-110.

Papatheodorou, G., Avramidis, P., Fakiris, E., Christodoulou, D., Kontopoulos, N. (2012). Bed diversity in the shallow water environment of Pappas lagoon in Greece. Int. J. Sediment. Res. 27(1), 1-17. 

Ferentinos, G., Gkioni, M., Geraga, M., Papatheodorou, G. (2012). Early seafaring activity in the southern Ionian Islands, Mediterranean Sea. J. Archaeol. Sci. 39, 2167-2176. 

Fakiris, E., Papatheodorou G. (2012). Quantification of regions of interest in swath sonar backscatter images using grey-level and shape geometry descriptors: the TargAn software. Mar. Geophys. Res. 33, 169-183. 

Naeher, S., Geraga, M., Papatheodorou, G., Ferentinos, G., Kaberi, H., Schubert, C.J. (2012). Environmental variations in a semi-enclosed embayment (Amvrakikos Gulf, Greece) – Reconstructions based on benthic foraminifera abundance and lipid biomarker pattern. Biogeosciences 9, 5081–5094. 

Papatheodorou, G., Geraga, M., Chalari, A., Christodoulou, D., Iatrou, M., Fakiris, E., Kordella, St., Prevenios, M., Ferentinos, G. (2011). Remote sensing for underwater archaeology: case studies from Greece and Eastern Mediterranean. Bulletin of the Geological Society of Greece 44, 100-115. 

Kiparissis, S., Fakiris, E., Papatheodorou, G., Geraga, M., Kornaros, M., Kapareliotis, A., Ferentinos, G. (2011). Illegal trawling and induced invasive algal spread as collaborative factors in a Posidonia oceanica meadow degradation. Biol. Invasions 13, 669–678. 

Papaefthymiou, H., Papatheodorou, G. (2011). A comparison between INAA and ICP-MS for the determination of element concentrations in marine sediments. J. Radioanal. Nucl. Chem. 

Papaefthymiou, H., Papatheodorou, G., Christodoulou, D., Geraga, M., A. Moustakli, J. Kapolos. (2010). Elemental concentrations in sediments of the Patras Harbour, Greece, using INAA, ICP-MS and AAS. Microchemical Journal 96(2), 269-276. 

Ferentinos, G., Papatheodorou, G., Geraga, M., Iatrou, M., Fakiris, E., Christodoulou, D., Dimitriou, E., Koutsikopoulos, C. (2010). Fjord water circulation patterns and dysoxic/anoxic conditions in a Mediterranean semi- enclosed embayment in the Amvrakikos Gulf, Greece. Estuar. Coast. Shelf Sci. 88, 473-481. 

Georgiadis, M., G., Papatheodorou, E., Tzanatos, M., Geraga, A., Ramfos, C., Koutsikopoulos, G., Ferentinos (2009). Coralligène formations in the eastern Mediterranean Sea: Morphology, distribution, mapping and relation to fisheries in the southern Aegean Sea (Greece) based on high-resolution acoustics. J. Exp. Mar. Biol. Ecol. 368, 44-58. 

Karagiannidi, Th., Papaefthymiou, H., Papatheodorou, G. (2009). Radioactive impact of a bauxite beneficiation plant in the Itea Gulf (Gulf of Corinth, Greece). J. Radioanal. Nucl. Chem. 279, 923–934. 

Chalari, A., Papatheodorou, G., Geraga, M., Christodoulou, D. Ferentinos, G. (2009). A marine geophysical survey illustrates Alexandria’s Hellenistic past. Zeitschrift fur Geomorphologie 53(1), 191-212. 

Koutsodendris, A., Papatheodorou, G., Kougiourouki O., Georgiadis M. (2008). Benthic marine litter in four Gulfs in Greece, Eastern Mediterranean; Abundance, composition and source identification. Estuar. Coast. Shelf Sci. 77, 501-512. 

Geraga, M., Mylona, G., Tsaila-Monopoli St., Papatheodorou, G., Ferentinos, G. (2008). Northeastern Ionian Sea: Palaeoceanographic variability over the last 22 ka. J. Mar. Syst. 74(1-2), 623-638. 

Papatheodorou, G., Fakiris, E., Geraga, M., Ferentinos, G., Koutsikopoulos, C. (2008). Ghostly Images of the HMHS Britannic, the Titanic’s ill fated, sunken sister ship. Hydro Int. 12, 15–18. 

Papatheodorou, G., Lambrakis, N., Panagopoulos, G. (2007). Application of statistical procedures to the hydrochemical study of a coastal aquifer: An example Crete, Greece. Hydrological Processes 21, 1482-1495.

Papaefthymiou, Η., Papatheodorou, G., Moustakli, A., Christodoulou, D., Geraga, M. (2007). Natural radionuclides and 137Cs distributions and their relationship with sedimentological processes in Patras Harbour, Greece. J. Environ. Radioact. 94, 55-74. 

Marinaro, G., Etiope, G.,   Lo Bue, N., Favali, P.,   Papatheodorou, G., Christodoulou, D., Furlan, F., Gasparoni, F., Ferentinos, G., Masson, M., Rolin, J-F (2007). A cabled monitoring module for gas seepage: the first experiment in a pockmark (Patras Gulf, Greece). ΙΕΕΕ/CNF 343-348. 

Etiope, G., Papatheodorou, G., Christodoulou, D., Favali, P., Ferentinos, G., Sokos, E. (2006). Methane and hydrogen sulfide seepage in the northwest Peloponnesus petroliferous basin (Greece): Origin and geohazard. AAPG Bulletin 90(5), 701–713. 

Papatheodorou, G., Demopoulou, G., Lambrakis, N. (2006). A long-term study of temporal hydrochemical data in a shallow lake using multivariate statistical techniques. Ecol. Modell. 193(3-4), 759-776. 

Etiope, G., Papatheodorou, G., Christodoulou, D., Geraga, M., Favali, P. (2006). The geological links of the ancient Delphic Oracle (Greece): A reappraisal of natural gas occurrence and origin. Geology 34(10), 821-824. 

Marinaro, G., Etiope, G., Lo Bue, N., Favali, P., Papatheodorou, G., Christodoulou, D., Furlan, F., Gasparoni, F., Ferentinos, G., Masson, M.,  Rolin, J-F. (2006). Monitoring of a methane-seeping pockmark by cabled benthic observatory (Patras Gulf, Greece). Geo-Mar. Lett. 26, 297-302. 

Hasiotis, T., Charalampakis, M., Stefatos, A., Papatheodorou, G., Ferentinos, G. (2006). Fan delta development and processes offshore a seasonal river in a seismically active region, NW Gulf of Corinth. Geo-Mar. Lett. 26, 199-211. 

Stefatos, A., Charalampakis, M., Papatheodorou, G., Ferentinos, G (2006). Tsunamogenic sources in an active European half-graben (Gulf of Corinth, Central Greece). Mar. Geol. 232, 35-47. 

Hasiotis, T., Papatheodorou, G., Ferentinos, G. (2005). A high resolution approach in the recent sedimentation processes at the head of Zakynthos Canyon, W. Greece. Mar. Geol. 214, 49-73. 

Papatheodorou, G., Papaefthymiou, H., Maratou, A., Ferentinos G. (2005). Natural radionuclides in bauxitic tailings (red-mud) in the Gulf of Corinth, Greece. Radioprotection 40, 549-555. 

Papatheodorou, G., Geraga, M., Ferentinos, G., (2005). The Navarino Naval Battle site, Greece – an integrated remote sensing survey and a rational management approach. Int. J. Naut. Archaeol. 34(1), 95-109.

Geraga, Μ., Tsaila-Monopolis, S., Ioakim, C., Papatheodorou, G., Ferentinos, G., (2005). Short-term climate changes in the southern Aegean Sea over the last 48,000 years. Palaeogeogr. Palaeoclimatol. Palaeoecol. 220(3-4), 311-332. 

Mc Neil, L.C., Cotterill, C.J., Henstock, H.J., Bull, J.M., Stefatos, A., Collier, R.E.L., Papatheodorou, G., Ferentinos, G., Hicks S.E. (2005). Active faulting within the offshore western Gulf of Corinth, Greece: Implications for models of continental rift deformation. Geology 33, 241-244. 

Etiope, G., Papatheodorou, G., Christodoulou, D., Favali, P., Ferentinos, G. (2005). Gas hazard induced by methane and hydrogen sulfide seepage in the NW Peloponnesus petroliferous basin (Greece).  TAO 16(4), 1-7. 

Rolin, J.-F., Blandin, J., Lykousis, V., Strout, J., Etiope, G., Favali, P., Briole, P., Ballu, V., Papatheodorou, G., Ferentinos, G., Cathie, D., Masson, M.  (2005). Common issues between cabled and non cabled observatories in ASSEM project. Europe Oceans 2005 2, 872-877.  

Favali, P., Beranzoli, L., Calcara, M., D’Anna, G., Etiope, G., Frugoni, F., Lo Bue, N., Marinaro, G., Monna, S., Montuori, C., Sgroi, T., Gasparoni, F., Cenedese, S., Furlan, F., Ferentinos, G., Papatheodorou, G., Christodolou, D., Blandin, J., Marvaldi, J., Rolin, J.-F., Clauss, G., Gerber, H., Coudeville, J.-M., Nicot, M., Flueh, E., Gamberi, F., Marani, M.P., Neri, G. (2004). Single-frame multiparameter platforms for seafloor geophysical and environmental observations: projects and missions from GEOSTAR to ORION. Oceans '04 MTS/IEEE Techno-Ocean '04 (IEEE Cat. No.04CH37600) 4, 2000-2007. 

Seymour, K.S., Christanis, K., Bouzinos, A., Papazisimou, S., Papatheodorou, G., Moran, E., Denes, G. (2004). Tephrostratigraphy and tephrochronology in the Philippi peat basin Macedonia, Northern Hellas (Greece). Quat. Int. 121, 53-65. 

Christodoulou, D., Papatheodorou, G., Ferentinos, G., Masson, M. (2003). Active seepage in two contrasting pockmark fields in Patras and Corinth Gulfs, Greece. Geo-Mar. Lett. 23, 194-199. 

Leeder, M.R., Collier, R.E.L., Abdul, A., L.H., Trout, M., Ferentinos, G., Papatheodorou, G., Lyberis, E. (2002). Tectono‐sedimentary processes along an active marine/lacustrine half‐graben margin: Alkyonides Gulf, E. Gulf of Corinth, Greece. Basin Res. 14, 25-41. 

Ravasopoulos, J.,  Papatheodorou,  G. , Kapolos, J. , Geraga,  M. , Koliadima,  A,.  Xenos., K. (2002). A promising methodology for the detection of pockmark activation in nearshore sediments, Gulf of Patras (W. Greece). Instrum. Sci. Tech 30(2), 139-155.

Hasiotis, T., Papatheodorou, G., Bouckovalas, G., Corbau, C., Ferentinos G. (2002). Earthquake-induced sediment instabilities in the coastal zone of a submarine alluvial fan in the western Gulf of Corinth, Greece. Mar. Geol. 186(3-4), 319-335. 

Stefatos, A., Papatheodorou, G., Ferentinos, G., Leeder, M., Collier, R. (2002). Seismic reflection imaging of active offshore faults in the Gulf of Corinth: their seismotectonic significance. Basin Res. 14, 1-14. 

Hasiotis, T., Papatheodorou, G., Ferentinos, G. (2002). A string of large and deep gas-induced depressions (pockmarks) offshore Killini peninsula, western Greece. Geo-Mar. Lett. 22, 142–149. 

Papatheodorou, G., Hotos, G., Geraga, M., Avramidou, D., Vorinakis, T. (2002). Heavy metal concentrations in sediments of Klisova lagoon (S.E. Mesolonghi-Aitolikon Lagoon complex), W. Greece. Fresenius Environ. Bull. 11(11), 951-956. 

Phaneuf, B.A., Ciavola, P., Papatheodorou, G., Ferentinos, G. (2002). Ionian Sea Study 2001. I.N.A Quarterly, 29(3/4), 28-29.

Casford, J.S.L., Abu-Zied, R., Rohling, E.J., Cooke, S., Boessenkool, K.P., Brinkhuis, H., De Vries, C., Wefer, G., Geraga, M., Papatheodorou, G., Croudace, I., Thomson, J., Lykousis, V. (2001). Mediterranean climate variability during the Holocene. Mediterranean Marine Science 2(1), 45-56.

Collier, R., Leeder, M.R., Trout, M., Ferentinos, G., Lyberis, E., Papatheodorou, G. (2000). High sediment yields and cool wet winters: Test of last glacial paleoclimates in the northern Mediterranean. Geology 28(11), 999-1002. 

Geraga, M., Tsaila-Monopoli, St., Ioakim Ch., Papatheodorou, G., Ferentinos, G. (2000). An evaluation of paleoenvironmental changes during the last 18,000 yrs BP in the Myrtoon Basin, S.W. Aegean Sea. Palaeogeogr. Palaeoclimatol. Palaeoecol. 156, 1–17.

Stefatos, A., Charalampakis, M., Papatheodorou, G., Ferentinos, G. (1999). Marine debris on the seafloor of the Mediterranean Sea: Examples from two enclosed Gulfs in Western Greece. Mar. Poll. Bullet. 38(5), 389-393. 

Papatheodorou, G., Lyberis, E., Ferentinos, G. (1999). Use of Factor analysis to study the distribution of metalliferous bauxitic tailings in the seabed of the Gulf of Corinth, Greece. Natural Resources Research 8, 277-285. 

Papatheodorou, G., Ferentinos, G. (1997). Submarine and coastal sediment failure triggered by the 1995, Ms=6.1R Aegion earthquake, Gulf of Corinth, Greece. Mar. Geol.. 137, 287-304. 

Poulos, S.E., Collins, M.B., Pattiaratchi, C., Cramp, A., Gull, W., Tsiblis, M., Papatheodorou, G. (1996). Oceanography and sedimentation in the semi-enclosed deep-water Gulf of Corinth (Greece). Mar. Geol. 134, 213-235. 

Hasiotis, T., Papatheodorou, G., Kastanos, N., Ferentinos G. (1996). A pock-mark field in the Patras Gulf (Greece) and its activation during the 14/7/1993 seismic event. Mar. Geol. 130, 333-344. 

Voudouris, K., Lamprakis, N., Papatheodorou, G., Daskalaki P. (1997). An application of factor analysis for the study of the hydrogeological conditions in Plio-Pleistocene aquifers of NW Achaia (NW Peloponnesus, Greece). Math. Geol. 29, 43–59. 

Papatheodorou, G., Hasiotis, T., Ferentinos, G. (1993). Gas charged sediments in the Aegean and Ionian Seas, Greece. Mar. Geol. 112, 171-184. 

Papatheodorou G., Ferentinos G. (1993). Sedimentation processes and basin‐filling depositional architecture in an active asymmetric graben: Strava graben, Gulf of Corinth, Greece. Basin Res. 5, 235-253. 

Ferentinos, G., Papatheodorou, G., Collins, M. (1988). Sediment Transport processes on an active submarine fault escarpment: Gulf of Corinth, Greece. Mar. Geol. 83(1-4), 43- 61. 

Varnavas, S.P., Papatheodorou, G. (1987). Marine mineral resources in the eastern Mediterranean Sea I. An iron, titanium, chromium, and nickel deposit in the Gulf of Corinth, Greece. Marine Mining 6(1), 37-70. 

Rossi, S., Catani, G., Ergun, M., Ferentinos, G., Gasperini, L., Got, H., Lenardon, G., Macridou, T., Martin, L., Ori, C., Palumbo, V., Papatheodorou, G., Taviani, M., Tunis, G. Vinci, A. (1986). Mare di Creta e bacino di Antalya: Entrambe sono zone di retroarco. Obiettivi e risultati preliminari della crociera MAC GAN 86. Rend. Soc. Geol. It. 9, 11-14.