Ericson, David B. The ever-changing sea / David B. Ericson and Goesta Wollin - New York : Alfred A. Knopf, c1970 - xiii, 354, xii p. : ill. ; 24 cm. Includes bibliographical references and index ISBN: USD 8.95 Subjects--Topical Terms: Oceanography--Popular works Dewey Class. No.: 551.46