Wagner-Friedrichs, M, Krastel, S, Spieß, V, Ivanov, M, Bohrmann, G and Meisner, L (2008) Three-dimensiona seismic investigations of the Sevastopol mud volcano in correlation to gas/fluid migration pathways and indications for gas hydrate occurrences in the Sorokin Trough (Black Sea). Geochemistry Geophysics Geosystems, 9. Q05012. doi:10.1029/2007GC001685