TY - BOOK AU - Thurman,Harold V. TI - Essentials of oceanography SN - 0024208027 (pbk.) AV - GC11.2 .T42 1993 U1 - 551.46 20 PY - 1993/// CY - New York, Toronto, New York PB - Macmillan, Maxwell Macmillan Canada, Maxwell Macmillan International KW - Oceanography N1 - Includes bibliographical references and index ER -