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2. Late Paleogene calcareous nannoplankton evolution: a tale of climatic deterioration;Aubry,1992
3. Magnetostratigraphic and Biostratigraphic Synthesis, Deep Sea Drilling Project Leg 94;Baldauf,1987
4. Middle Eocene through early Miocene diatom floral turnover;Baldauf,1992
5. Ocean productivity and paleoproductivity — an overview;Berger,1990