TY - BOOK AU - Thurman,Harold V. TI - Essentials of oceanography AV - GC 11.2 .T49 1990 U1 - 551.46 20 PY - 1990/// CY - Columbus, Ohio PB - Merrill Pub. Co. KW - Oceanography KW - Earth KW - Geography KW - Ocean circulation KW - Marine habitat N1 - Includes bibliographical references and index ER -