A New genus of eocene Foraminifera /
Cushman, Joseph Augustine
A New genus of eocene Foraminifera / by Joseph A. Cushman - Washington : Government printing office, 1924 - 4 p. : ill. ; 24 cm - Proceedings of the United States National Museum ; 66 .
A New genus of eocene Foraminifera / by Joseph A. Cushman - Washington : Government printing office, 1924 - 4 p. : ill. ; 24 cm - Proceedings of the United States National Museum ; 66 .