TY - BOOK AU - Neher,Philip A. TI - Natural resource economics: conservation and exploitation SN - 0521311748 (pbk.) U1 - 333.7 22 PY - 1990/// CY - Cambridge [England] PB - Cambridge University Press KW - Natural resources KW - Management KW - Environmental policy N1 - Includes bibliographical references (p. 351-357) and index ER -