Cousteau, Jacques Yves. Challenges of the sea / Jacques Yves Cousteau - Canada : Jacques-Yres cousteau all rights reserved, 1975. - 144 p. : illus. - The ocean world jaques cousteau ; v.18 . ISBN: 0810905922 Subjects--Topical Terms: Oceanographic Research.Marine resources conservation. Dewey Class. No.: R 597 / C869O