Fisheries hydrography; how oceanography and meteorology can and do serve fisheries [by] Ilmo Hela and Taivo Laevastu. Hela, Ilmo, 1915- Laevastu, Taivo, joint author. Fisheries. Oceanography Marine meteorology. SH333 .H4 551.46 HEF Includes bibliography. London, Fishing News (Books) [1961?] [1961?] 1961 Text 137 p. eng