Kahn, James R. The economic approach to environmental and natural resources / James R. Kahn. - 3rd ed. - Mason, Ohio : Thomson/South-Western, c2005. - xviii, 638 p. : ill. ; 25 cm. Includes bibliographical references and indexes. ISBN: 9780030314544 LCCN: 2004106716 Subjects--Topical Terms: Environmental economics.Natural resources. LC Class. No.: HC79.E5 / K334 2005 Dewey Class. No.: 333.7 / KAH