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Ostracoda and Correlation of the Severn Formation (Navarroan, Maestrichtian) of Maryland

Elisabeth M. BrouwersJoseph E. Hazel

出版	Society of Economic Paleontologists and Mineralogists, 1978
URL	http://books.google.com.hk/books?id=Pn8_AAAAIAAJ&hl=&source=gbs_api