Enger, Eldon D. Environmental science : a study of interrelationships / - Eighth edition Eldon D. Enger, Bradley F. Smith. - c2002. - xxv, 486 pages : color illustration color maps ; 29 cm. Includes index. ISBN: 0072315474 (acidfree paper) 9780072315479 LCCN: 2001030344 Subjects--Topical Terms: Environmental sciences. LC Class. No.: GE105 / .E54 2002 Dewey Class. No.: 363.7