Enger, Eldon D. Environmental science : a study of interrelationships. - 12th ed. / Eldon D. Enger and Bradley F. Smith. - Boston : McGraw-Hill, c2010. - 485 p. : ill. (some col.), col. maps ; 28 cm. Includes bibliographical references and index. ISBN: 0070171661 (pbk.) 0070171664 LCCN: 90085520 Subjects--Topical Terms: Environmental sciences. LC Class. No.: GE105 GE105 GE105 GE105 GE105 GE105 GE105 / .E54 / .E53 / .E53 / .E53 / .E53 / .E53 / .E53 Dewey Class. No.: 363.7