Amann, H.; Hohnberg, H. J.; Stahl, M. (1996): Gas hydrate sampling on ODP-Leg 164; achievements and problems. Alfred-Wegener-Stiftung, Bonn, Federal Republic of Germany, In: Ristedt, H. (editor), Beiersdorf, Helmut, Michels, Klaus, Brockmann, Erika, Bulla, Gisela, First Eurocolloquium of the Ocean Drilling Program, 96-4, 13-14, georefid:2001-064123