Harris, Jonathan M. Environmental and natural resource economics : a contemporary approach / Jonathan M. Harris. - 2nd ed. - Boston : Houghton Mifflin, c2006. - xvii, 503 p. : ill., ports. ; 24 cm. Includes bibliographical references and index. ISBN: 0618496335 (pbk.) Subjects--Topical Terms: Environmental economics.Natural resources.Environmental policy. LC Class. No.: HC79.E5 Dewey Class. No.: 333.7