Khrischev Kh., P. Dimitrov, D. Parlichev, V. Georgiev, S. Chochov, T. Uzunov, V. Apostolov, A. Vassilev, 1980. Submarine valleys in the Western Black Sea Basin Slope. Geologica Balcanica, 10 (3), Sofia, 109 - 120.
Kalinin V., A. Kalinin, T. Krastev, A. Vassilev, 1981. New data for the subbottom temperatures of the Bulgarian shelf zone (in Russian). Oceanology, BAS, 8, 54-59.
Onishchenko A, P. Dimitrov, A. Vassilev, N. Dukov, 1982. Preliminary results of the geologico-geophysical investigations of the Bulgarian Black Sea shelf with the underwater vehicles "Sound-4M" and "Manta-02" (in Russian). Oceanology, BAS, 9, 78 - 83.
Vassilev A, 1986.Method for geothermal measurements on the shelf (in Russian). Ph.D. Thesis Abstract, Moscow, Moscow State University, 18 p.
Vassilev A, 1988. Bulgarian expedition with R/V "Professor Kolesnikov" - preliminary results (in Bulgarian). National Oceanographic committee Bulletin, BAS, 4, 14 - 17.
Vassilev A., 1988. Temperature field of the bottom sediments on the Bulgarian Black Sea shelf near the cape Emine (in Russian). Reprint of the Kiev Institute of Geology, 26, 43 p.
Vassilev A., 1990. Thermal conductivity coefficients in bottom sediments and main tectonic elements in the Western part of the Black Sea (in Russian). In: Geodynamics of the continental slope of the Bulgarian Black Sea part, 618 - 621 (Cited in: Black Sea Bibliography 1974 - 1994, 1995, UNDP, New York, 318 p.).
Vassilev A., V. Tsvyashchenko, 1990. The Earth's crust heat flow of the continental slope in the Bulgarian part of the Black Sea - Inverse problem theory interpretation (in Russian). In: Geodynamics of the continental slope of the Bulgarian Black Sea part, 622 - 630 (Cited in: Black Sea Bibliography 1974 - 1994, 1995, UNDP, New York, 318 p.).
Kutas R., V. Kobolev, V. Tsvyashchenko, A. Vassilev, O. Kravchuk, 1992. New measurements of the terrestrial heat flow in the Bulgarian Black Sea zone. Comptes Rendus d'Academie des Sciences Ukraine, Kiev, 7, 104 – 107 (Cited in: 1. Kutas, R.I., Kobolev, V. P., Tsvyashchenko, V. A., 1998. Heat flow and geothermal model of the Black Sea depression. Tectonophysics 291, 91-100. 2. Kutas, R.I., Kobolev, V. P., Tsvyashchenko, V. A., Bevzyuk, M. I., Kravchuk, O. P., 1998. New heat flow data in NW of the Black Sea. Proceedings of the International onference “The Earth’s Thermal Field and Related Research Methods”, May 19-21, Moscow, 139-142. 3. Poort J., A. Vassilev, L. Dimitrov, 2005. Did postglacial catastrophic flooding trigger massive changes in the Black Sea gas hydrate reservoir? Terra Nova, 17 (2), 135–140.).
Bezborodov A., A. Vassilev, S. Chochov, A. Romanov, S. Kramarenko, 1992. Results from Bulgarian-Russian Expedition with R/V “Prof. Kolesnikov” - XVIII cruise. Labours of the Institute of Oceanology, BAS, Varna, 1, 161 - 167.
Vassilev, Atanas D., 1994. A New Method for Geothermal Measurements on Shelf – Numerical Experiments. AAPG Hedberg Research Conference “Near-Surface Expression of Hydrocarbon Migration”, 24-28 April, Vancouver, British Columbia, Canada.
Vassilev A., 1996. Oil and gas potential of the Bulgarian Black Sea part (the Paleogene Sequence). In: Petroleum Potential of the Balkan Region, Sofia, 327-342 (Cited in: Dimitrov, L. I., 2003. Shallow gas charged sediments and gas seeps from Bulgarian shelf. Thesis).
Vassilev, A., L. Dimitrov and S. Avramov, 1996. Geophysical investigation of the natural gas seepages in the area of the resort "Golden Sands" (in Bulgarian). J. of the Union of the Bul. Scientists, 24 (1), 30 - 34.
Vassilev, A., 1996. Zones of oil and gas generation in the Bulgarian Black Sea part. (in Bulgarian). J. of the Union of the Bulgarian Scientists, 24 (1), 35 - 39.
Василев А. Д., В. М. Маринова, А, Н. Кръстев, 1996. Методика и апаратура за изследване топлинния поток на шелфа. Списание на Съюз на учените Варна, 24 (1), 40-44.
Маринова В.., А. Василев, А. Кръстев, 1996. Буксируем термометър за определяне температурата на придънните води - термотрал. Конференция: "Водните и енергийни ресурси и технологии за тяхното оползотворяване", Варна, 20.10.95.
Vassilev A., V. Marinova, D. Parlichev, 1996. A gravity corer for on-board measuring terrestrial heat flow trough the ocean floor. Proceedings of the First International Conference on Marine Industry MARIND ’96 (ed. P. Bogdanov), Vol. 3, 369-371.
Vassilev A. D., 1996. Temperature depression over deep positive structure “Yuriy Godin” (Offshore Bulgaria) – possible shallow gas influense. Proceedings of the Fourth International Conference Gas in Marine Sediments, 28-30 Sep, Varna. Bulgaria, 3 pages.
Vassilev A., 1997. Depths of the main petroleum and gas generation zones in the Bulgarian Black Sea part. Comptes Rendus d'Academie des Sciences Bul., 50 (4), 49 – 52 (Cited in: 1. Dimitrov, O. V., 2003. New data about quaternary sediments on Bulgarian shelf from seismostratigraphy. Okeanologia, RAS, 41 (2), 305-312 Russian and English Issues. 2. Tender Documents Prospecting and exploration permit for oil and gas in Block “Varna – Deep Sea”, Ministry of Environment and Waters, Sofia, June, 2002)).
Vassilev A., 1997. Results of on-board geothermal measurements above anticline structure “Yuriy Godin”. Comptes Rendus d'Academie des Sciences Bul., 50 (5), 33 - 36.
Vassilev A., 1998. Mathematical model of a method for on-board geothermal measurements. Comptes Rendus d'Academie des Sciences Bul., 50 (6), 25 - 28.
Vassilev A, 1998. The Black Sea natural gas release history: comparison with potential gas pipelines damages. Symposium: Environmental Aspects of Exploration, Production and Transportation of Oil and Gas in and through the Black Sea, 15-19 Mar. 1998, Varna, Bulgaria.
Vassilev, Atanas D., 1998. Quantitative estimation of natural gas release history in the Black Sea. Absrtacts & Guide Book: V International Conference on Gas in Marine Sediments” (ed. Curzi P. and A. Judd), Bologna (Italy), 129-131.
Vassilev A, 1999. Contribution to Atmosphere Hydrocarbons from the Black Sea thermogenic gases. International Conference, "Oceanography of the Eastern Mediterranean and Black Sea, 23-26 Feb., Athens, Greece.
Marinov K., B. Savov, A. Vassilev, 2000. Research on Coastal Protection Alternatives in the Region of Riviera - Varna. PDCE’2000 Proceedings - Second International Conference, "Port Development & Coastal Environment, Vol. 1, 143-150.
Vassilev, Atanas, 2000. Contribution to Atmosphere Hydrocarbons from Black Sea Thermogenic Gases during the Basin Evolution. Proceedings of the Third National Geophysical Conference, SP3-1, 57-59.
Vassilev, A., L. Dimitrov, 2000. Spatial and quantity evaluation of methane hydrates in the Black Sea. Proceedings of the 6th Conf. "Gas in Marine Sediments", St. Petersburg, Russia.
Dimitrov, L., A. Vassilev, 2001. Two deep breaths of the Black Sea clathrates during the last 18,000 years; are they really happened? EGS XXVI General Assembly, Nice, France (SE9.02 Marine geophysics: Investigations on gas hydrates)
Dimitrov, L., Vassilev A., 2001. Black Sea Methane Hydrates - How Many They Are. European Union of Geosciences: International Conference EUG XI, Symposium: Clathrates, climate, and carbon budget: 1. Accumulation and destabilisation of natural gas hydrate systems: dynamic carbon reservoirs at the Earth's surface, 8-12 Apr., Strasbourg, France.
Vassilev, A., L. Dimitrov, 2002. Spatial and qualitative evaluation of the Black Sea gas hydrates (in Russian and English). Russian Geology and Geophysics, Vol. 43, No. 7, 637-649 (Cited in: 1. Tender Documents Prospecting and exploration permit for oil and gas in Block “Varna – Deep Sea” (Конкурсни Документи Разрешение за търсене и проучване на нефт и газ в блок “Варна – дълбоко море”), Ministry of Environment and Waters, Sofia, June, 2002). 2. http://www.gashydat.org 3. Ludmann T., H. K. Wong, P. Konerding, M. Zillmer, J. Petersen, E. Fluh, 2004. Heat flow and quantity of methane deduced from a gas hydrate field in the vicinity of the Dnieper Canyon, northwestern Black Sea. Geo-Marine Letters 24, 182–193. 4. Shnyukov E. F., A. P. Ziborov, 2004. Mineral resources of the Black Sea (in Russian). NASU, Kiev, 370 p. 5. Kessler J. D., W. S. Reeburgh, J. Southon, R. Seifert, W. Michaelis, S. C. Tyler, 2006. Basin-wide estimates of the input of methane from seeps and clathrates to the Black Sea. Earth and Planetary Science Letters, 243, 366–375. 6. Popescu I., M. DeBatist, G. Lericolais, H. Nouze, J. Poort, N. Panin, W. Versteeg, H. Gillet, 2006. Multiple bottom-simulating reflections in the Black Sea, Potential proxies of past climate conditions. Marine Geology, DOI:10.1016/j.margeo.2005.12.006).
Василев А., Л. Димитров, 2002. Оценка пространственного распределения и запасов газогидратов в Черном море. Геология и геофизика, Новосибирск, СО РАН, т. 43, № 7, 672-684
Vassilev, A., 2002. Bulgarian Black Sea Continental Slope -Oil and Gas Potential of the Cenozoic Sequence (Cited in: http://www.eastoil.com; http://209.238.195.142/bulgaria/bg-repinv.htm)
Dimitrov L., A. Vassilev, 2003. Black Sea gas seepage and venting structures and their contribution to atmospheric methane (in English and Bulgarian). Proceedings of Jubilee International Scientific Session 50 years UMG ”St. Ivan Rilski”, 14-16 May 2003 Sofia.
Vassilev, A., L. Dimitrov, 2003. Bulgarian National Program for Gas Hydrates Research (in English and Bulgarian). Proceedings of Jubilee International Scientific Session 50 years UMG ”St. Ivan Rilski”, 14-16 May 2003 Sofia, Bulgaria.
Vassilev, A., 2003. Bulgarian Black Sea Oil & Gas - Common Myths & Uncommon Facts (in English and Bulgarian). Proceedings of Jubilee International Scientific Session 50 years UMG ”St. Ivan Rilski”, 14-16 May 2003 Sofia, Bulgaria.
Vassilev, A., L. Dimitrov, 2003. Model evaluation of the Black Sea gas hydrates. Comptes Rendus de l'Academie bulgare des Sciences, Vol. 56, No. 3, 15-19
Vassilev, A., 2003. Black Sea Basin: 65 Million Years Methane Breath. Comptes Rendus de l'Academie bulgare des Sciences, Vol. 56, No. 3, 9-14.
Василев А., 2005. Подводно разтоварване на води. Бюлетин на Националната Океанографска Комисия, 1, 20-25.
Poort J., A. Vassilev, L. Dimitrov, 2005. Did postglacial catastrophic flooding trigger massive changes in the Black Sea gas hydrate reservoir? Terra Nova, 17 (2), 135–140 (Cited in: 1. Lieven N., J. Greinert., Y. Artemov., P. Staelens., J. Poort., P. Van Rensbergen., Marc De Batist, 2006. Geological and morphological setting of 2778 methane seeps in the Dnepr paleo-delta, northwestern Black Sea. Marine Geology 227. 177– 199. 2. Schmale, Oliver, 2006. Submarine methane seepage in the paleo Dnepr area and Sorokin Trough and its influence on the Black Sea methane budget. Dissertation, Christian-Albrechts-Universitat, Kiel 3. Poort J., R. I. Kutas, J. Klerkx, S. E. Beaubien, S. Lombardi, L. Dimitrov, A. Vassilev, L. Naudts, 2007. Strong heat flow variability in an active shallow gas environment, Dnepr palaeo-delta, Black Sea. Geo-Marine Letters 27:2-4, 185.
L. Dimitrov, J. Greinert, S. Gulin, C. Holzner, A. Vassilev Sediment sampling: coring and dredging, CRIMEA'2004-CruiseReport.pdf, 52-62.
J. Poort, R. Kutas, A. Vassilev, L. Dimitrov, J. Vercruysse. Geothermal measurements. CRIMEA'2004-CruiseReport.pdf, 63-69.
Poort J., V. Kaulio, N. Kaul, J-P Foucher, R. Kutas, A. Vassilev, 2005. Mud Volcanos, Seeps and Gas Hydrates: The Thermal Signals. VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 9.
Poort J., R. Kutas, A. Vassilev, J. Klerkx, 2005. Heat Flow Variability in the Seep Dominated Northern Margin of the Black Sea. VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 128.
Vassilev A., 2005. 4D Geothermal Structure – the Fate of Gas Hydrates and Gas Seepages. VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 150-151.
Vassilev A., 2005. Gas Hydrates as Sources of Huge Methane Seepages (Dnepr Paleodelta, Black Sea). VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 156-157.
Dimitrov L., R. Stoyanova, A. Vassilev, N. Marinkova, 2005. Gas Hydrate Distribution and Mud Volcano Activity in the Sorokin Trough, Black Sea. VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 167.
Vassilev A., 2005. Dvurecheskii, Black Sea: Gas Hydrates and Mud Volcano’s Energy Budget. VIII International Conference on Gas in Marine Sediments, 5-10 Sep. 2005, Vigo, Spain, 172.
Vassilev, A., 2006. Optimistic and Pessimistic Model Assessments of the Black Sea Gas Hydrates. Comptes Rendus de l'Academie bulgare des Sciences, Vol. 59, No. 5, 543-550 (Cited in: http://cat.inist.fr/?aModele=afficheN&cpsidt=17916879).
Василев А., 2006. Национална програма за газови хидрати: “за” и ” против”. Бюлетин на Националната Океанографска Комисия, 3, 12-16.
Василев А., 2006. Национална програма за газови хидрати: “за” и ” против”. Морски свят, 11, 2006, 34-36 (Препечатана от Бюлетин на НОК).
Vassilev A., Botev E., Hristova R.,2006. Dvurechenskii Mud Volcano, Black Sea: Long Term Activity from Sedimentation, Seismicity and Tsunami Data. Comptes Rendus de l'Academie bulgare des Sciences, Vol. 59, No. 11, 1181-1186.
Poort J., R. I. Kutas, J. Klerkx, S. E. Beaubien, S. Lombardi, L. Dimitrov, A. Vassilev, L. Naudts, 2007. Strong heat flow variability in an active shallow gas environment, Dnepr palaeo-delta, Black Sea. Geo-Marine Letters, 27:2-4, 185. DOI 10.1007/s00367-007-0072-4.
