Laevastu, Taivo Fisheries oceanography : new ocean environemental services / by Taivo Laevatu and Ilmo Hela - London : Fishing News, c1970 - xv, 238 p. ; 25 cm. Bibliography : p. 219-227 ISBN: PND 5.75 Subjects--Topical Terms: Fish-cultureFisheries Dewey Class. No.: 639.2