Field, Barry C. Environmental economics an introduction / [Book] : Barry C. Field, Martha K. Field. - 4th ed. - Boston : McGraw-Hill Irwin, c2006. - xxi, 503 p. : ill. ; 24 cm. All. ISBN: 0073137510 (pbk. : alk. paper) 9780073137513 Subjects--Topical Terms: Environmental economics.Economic development--Environmental aspects. Dewey Class. No.: 333.7