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Globigerinidae from the Upper Cretaceous (Cenomanian-Maestrichtian of Trinidad, B.W.I.

Paul BrönnimannGeorge Winston SinclairEugene Stanley Richardson (Jr.)

出版	Paleontological Research Institution, 1952
URL	http://books.google.com.hk/books?id=tJIZIyKBYwwC&hl=&source=gbs_api