A catalog of the type-specimens of Recent Cephalopoda in the National Museum of Natural History /
Roper, Clyde F. E., 1937-
A catalog of the type-specimens of Recent Cephalopoda in the National Museum of Natural History / Clyde F. E. Roper and Michael J. Sweeney. - Washington : Smithsonian Institution Press, 1978. - III, 19 p. ; 26 cm. - Smithsonian contributions to zoology ; 278 .
A catalog of the type-specimens of Recent Cephalopoda in the National Museum of Natural History / Clyde F. E. Roper and Michael J. Sweeney. - Washington : Smithsonian Institution Press, 1978. - III, 19 p. ; 26 cm. - Smithsonian contributions to zoology ; 278 .