Sumita, M.; Schmincke, H. U. (1996): Submarine equivalents of Miocene ignimbrites in the volcaniclastic apron of Gran Canaria (ODP Leg 157). 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, 81-82, georefid:2001-064142