TY - BOOK AU - Foster,John TI - Valuing nature?: ethics, economics and the environment SN - 0415129788 (hbk) AV - GE180 .V35 1997 U1 - 363.7 20 PY - 1997/// CY - London, New York PB - Routledge KW - Environmental policy KW - Cost effectiveness KW - Environmental economics KW - Environmental ethics N1 - Includes bibliographical references (p. 247-264) and index ER -