1. Akhmetzhanov AM, Ivanov M, Kenyon NH, Mazzini A (2007) Deep-water cold seeps sedimentary environments and ecosystems of the Black and Tyrrhenian Seas and Gulf of Cadiz. UNESCO Preliminary results of investigations during the TTR-15 cruise of RV Professor Logachev June-August 2005. IOC Tech Ser no 72
2. Bohrmann G, Kuhs WF, Klapp SA, Staykova DK, Techmer K, Klein H, Murshed MM, Abegg F (2007a) Appearance and preservation of natural gas hydrate from Hydrate Ridge sampled during ODP Leg 204 drilling. Mar Geol 244:1–14
3. Bohrmann G, Pape T, and cruise participants (2007b) Report and preliminary results of R/V Meteor Cruise M72/3, Istanbul – Trabzon – Istanbul, 17 March–23 April 2007. Marine gas hydrates of the Eastern Black Sea. Berichte, Fachbereich Geowissenschaften, Universität Bremen no 261
4. Collett T, Riedel M, Cochran J, Boswell R, Presley J, Kumar P, Sathe A, Sethi A, Lall M, Siball V (2008) National Gas Hydrate Program Expedition 01 Initial Reports. US Geological Survey, and Directorate General of Hydrocarbons, Ministry of Petroleum & Natural Gas (India), 1 DVD
5. Enzmann F, Miedaner MM, Kersten M, von Blohn N, Diehl K, Bormann S, Stampanoni M, Ammann M, Huthwelker T (2011) 3-D imaging and quantification of graupel porosity by synchrotron-based micro-tomography. Atmos Meas Tech 4:2225–2234