Wei, Wuchang; Pospichal, James J.; Wise, Sherwood W., Jr. (1991): Paleogene calcareous nannofossil magnetobiochronology of the Southern Ocean. International Nannoplankton Association, The Hague, International, In: Young, J. R. (editor), International Nannoplankton Association; 4th conference; abstracts, 13 (2), 74-76, georefid:2006-060704