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Evolutionary, Biostratigraphic, and Taxonomic Study of Calcareous Nannofossils from a Continuous Paleocene-Eocene Boundary Section in New Jersey

出版	U.S. Department of the Interior, U.S. Geological Survey, 1994
URL	http://books.google.com.hk/books?id=GAW0zgEACAAJ&hl=&source=gbs_api