TY - BOOK AU - Hussen,Ahmed M. TI - Principles of environmental economics: economics, ecology and public policy SN - 9780415195713 U1 - 333.7 23 PY - 2000/// CY - London, New York PB - Routledge KW - Environmental economics KW - NGU-sh KW - Environmental policy N1 - Includes bibliographical references and index ER -