TY - BOOK AU - Perman,Roger AU - Perman,Roger TI - Natural resource and environmental economics SN - 9780321417534 (pbk.) U1 - 333.7 22 PY - 2003/// CY - Harlow, Essex, New York PB - Pearson Addison Wesley KW - Environmental economics KW - Natural resources KW - Management KW - Sustainable development N1 - Prev. ed. entered under author: Perman, Roger, 1949-; Includes bibliographical references and index ER -