Enger, Eldon D. Environmental science : a study of interrelationships. Eldon D. Enger, Bradley F. Smith. - 8th ed. / Eldon D. Enger, Bradley F. Smith. - Boston : McGraw-Hill, c2002. - xxv, 486 p. : col. ill., col. maps ; 29 cm. Includes index. ISBN: 0072315474 (acidfree paper) LCCN: 2001030344 Subjects--Topical Terms: Environmental sciences. Dewey Class. No.: 363.7 / ENG