1. Artemov, Y.G., Egorov, V., Polikarpov, N., and Gulin, S.B., 2007, Methane emission to the hydro- and atmosphere by gas bubble streams in the Dnieper paleo-delta, the Black Sea. Marine Ecology Journal, 6, 5–26.
2. Ashi, J., Saito, S., Aoike, K., Toki, T., Kuramoto, T., and Henry, P., 2002, Seafloor manifestations of fluid venting and shallow gas hydrate BSRs at the outer ridge of the eastern Nankai Trough: Eos Transactions American Geophysical Union, 83, Fall meeting supplement (Abstract), T11B-1248.
3. Bahk, J.J., Kim, W.S., Chang, J.H., Chang, S.H., Chang, S.W., Min, G.H., Kwon, Y.K., Lee, C.W., Choe, H.S., Nahm, S.I., Kim, S.P., Kong, K.S., Um, I.K., Kim, K.O., Kim, Y.G., Kim, J.K., Jin, J.H., Choe, J.K., Soh, K.S., and Chang, T.S., 2007, Analysis of gas hydrate deep-drill cores and studies on gas hydrate stability and geohazards. Report NP2007-021-2007(1), Korea Institute of Geoscience and Mineral Resources, Daejeon, 429 p.
4. Borowiski, W.S., Paull, C.K., and Ussler III, W., 1996, Marine pore-water sulfate profiles indicate in situ methane flux from underlying gas hydrate. Geology 24, 655–658.
5. Borowski, W.S., Paull, C.K., and Ussler III, W., 1999, Global and local variations of interstitial sulfate gradients in deep-water, continental margin sediments: sensitivity to underlying methane and gas hydrates. Marine Geology, 159, 131–154.