Rahman, Atiur (1993): Late Neogene calcareous nannofossil biostratigraphy of the Blake Outer Ridge, DSDP Site 533, northwestern Atlantic Ocean. E. Schweizerbart'sche Verlagsbuchhandlung, Stuttgart, Federal Republic of Germany, Neues Jahrbuch fuer Geologie und Palaeontologie. Abhandlungen, 187 (2), 199-224, georefid:1994-018765