TY - BOOK AU - Perrings,Charles TI - Economics of ecological resources: selected essays SN - 1858984734 AV - HC79.E5 P448 1997 U1 - 333.7 21 PY - 1997/// CY - Cheltenham, England, Lyme, N.H. PB - Edward Elgar KW - Environmental economics KW - Sustainable development KW - Natural resources KW - Management N1 - Includes bibliographical references ER -