TY - BOOK AU - Kahn,James R. TI - The economic approach to environmental and natural resources SN - 0030245117 AV - HC79.E5 K334 1998 U1 - 333.7 21 PY - 1998/// CY - Fort Worth PB - Dryden Press KW - Environmental economics KW - Natural resources N1 - Includes bibliographical references and indexes ER -