Enger, Eldon D. Environmental science : a study of interrelationships / Eldon D. Enger, Bradley F. Smith - 12th ed. - Boston : McGraw-Hill Higher Education, 2010 - xxvi, 485 p. : ill., maps ; 28 cm. ISBN: 9780071271424 Subjects--Topical Terms: Environmental sciences Dewey Class. No.: 363.7 / E57E 2010