Vertical distribution of pelagic Cephalopods /
Roper, Clyde F. E., 1937-
Vertical distribution of pelagic Cephalopods / Clyde F. E. Roper and Richard E. Young. - Washington : Smithsonian Institution Press, 1975. - IV, 51 p. : ill. ; 26 cm. - Smithsonian contributions to zoology ; 209 .
Vertical distribution of pelagic Cephalopods / Clyde F. E. Roper and Richard E. Young. - Washington : Smithsonian Institution Press, 1975. - IV, 51 p. : ill. ; 26 cm. - Smithsonian contributions to zoology ; 209 .