Chepstow-Lusty, A.; Shackleton, N. J. (1989): Comparison of upper Pliocene Discoaster abundance variations from the Atlantic, Pacific and Indian Oceans; sites 662, 677 and 709. International Nannoplankton Association, The Hague, International, In: Anonymous, International Nannoplankton Association meeting; abstracts, 11 (2), 50-51, georefid:2007-027643