Hardy, Alister Clavering, Sir. The open sea : its natural history. Part 2, Fish and fisheries / by Sir Alister Hardy. - London : Collins, 1970. - 338 p : col. ill. ; 23 cm. - New naturalist series . Includes bibliogrphical references and index. ISBN: 000213165X Subjects--Topical Terms: Marine biologyFishes. Dewey Class. No.: 591.52