Ristedt, H. (ed.); Beiersdorf, Helmut; Michels, Klaus; Brockmann, Erika; Bulla, Gisela (1996): First Eurocolloquium of the Ocean Drilling Program. Alfred-Wegener-Stiftung, Bonn, Federal Republic of Germany, Terra Nostra (Bonn), 96-4, 93 pp., georefid:2001-064045