Chiras, Daniel D. Environmental science a systems approach to sustainable development / [Book] : Daniel D. Chiras. - 5th ed. - Belmont, CA : Wadsworth Pub., c1998. - xx, 608 p. : col. ill. ; 29 cm. All. ISBN: 0534538746 (alk. paper) Subjects--Topical Terms: Environmental sciences.Sustainable development. Dewey Class. No.: 363.7