Zenkevich, L. A. 1889-1970. Biology of the seas of the U.S.S.R. / L. Zenkevitch;Translated by S. Botcharskaya. - London : Geogre allen & unwin ltd, c1963. - 955 p. : ill. ; 24 cm. Includes bibliography and index Subjects--Topical Terms: Marine biology--Soviet Union.Hydrology--Soviet Union. Dewey Class. No.: 578.77 / ZEB 1963