Ushakova, Maola (1995): Changes of calcareous nannoplankton evolutionary diversity during the Paleogene. International Nannoplankton Association, The Hague, International, In: Anonymous, 6th International Nannoplankton Association conference; programme and abstracts, 17 (2), 88, georefid:1996-039957

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Data set link: http://sedis.iodp.org/pub-catalogue/index.php?id=1996-039957 (c.f. for more detailed metadata)
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