Sonar in fisheries--a forward look, by D. G. Tucker. Tucker, D. G. (David Gorda) Sonar in fishing. SH344 .T8 639.2 TUS "A Buckland Foundation Book." Based on the Buckland Lectures, given in London, Hull, and Grimsby, October-November, 1966. Includes bibliographical references and index. London : Fishing News (Books), 1967. 1967. 1967 Text 136 p. eng The Fisherman's library