Nybakken, James Willard. Marine biology : an ecological approach / James W. Nybakken. - 4th ed. - Menlo Park, Calif. : Addison Wesley Longman, Inc., 1997. - xiii, 481 p. : ill. (some col.), maps ; 26 cm. Includes bibliographical references and index. ISBN: 0673994511 RM237.51 LCCN: 96-000645 Subjects--Topical Terms: Marine biology.Marine ecology.