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Foraminifera of the Type Kiowa Shale, Lower Cretaceous, of Kansas, by Alfred R. Loeblich, Jr., and Helen Tappan

Helen Tappan (Mrs. Alfred R. Loeblich, jr.)

URL	http://books.google.com.hk/books?id=RNkPzQEACAAJ&hl=&source=gbs_api