TY - BOOK AU - Kahn,James R. TI - The economic approach to environmental and natural resources SN - 0030314542 (hbk.) AV - HC79.K334 2005 U1 - 333.7 22 PY - 2005/// CY - Mason, Ohio PB - Thomson/South-Western KW - Environmental economics KW - Natural resources N1 - Includes bibliographical references and indexes ER -