TY - BOOK AU - Neher, Philip A TI - Natural resource economics : conservation and exploitation SN - 9780521311748 SN - 89017295 U1 - 333.7 NEH PY - 1990/// CY - Cambridge PB - Cambridge University Press KW - Environmental policy KW - Natural resources - Management N1 - Includes bibliographical references (p. 351-357) and index ER -