1. Bernard, B. B., Brooks, J. M. and Sackett, W.M. (1976) : Natural gas seepage in the Gulf of Mexico. Earth Planet. Sci. Lett., 31, 48-54.
2. Biebow, N. and Hütten E. (Eds.) (1999) : Cruise report KOMEX I and II: RV Professor Gagarinsky cruise 22, RV Akademik Lavrentyev cruise 28, GEOMAR Rep 82, Kiel, 188 pp.
3. Biebow, N., Kulinich, R. and Baranov, B. (Eds.) (2002): Cruise report KOMEX II: RV Akademik Lavrentyev cruise LV29. IORAS, POI and GEOMAR, 97pp.
4. Bourry, C., Chazallon, B., Charlou, J. L., Donval, J. P., Ruffine, L., Henry, P., Geli, L., Çagatay, M. N., İnan, S. and Moreau, M. (2009) : Free gas and gas hydrates from the Sea of Marmara, Turkey. Chemical and structural characterization. Chem. Geol., 264, 197-206.
5. Cranston, R. E., Ginsburg, G. D., Soloviev, V. A. and Lorenson, T. D. (1994) : Gas venting and hydrate
deposits in the Okhotsk Sea. Bull. Geol. Soc. Den., 41, 80-85.