TY  - BOOK
ED  - IUCN--The World Conservation Union.
ED  - Nature conservation (U.S)
TI  - How much is an ecosystem worth?: assessing the economic value of conservation 
SN  - 0821363786
PY  - 2005///
CY  - Washington, D. C
PB  - World Bank
KW  - Environmental protection
KW  - Economic aspects
KW  - Environmental policy
N1  - Available on the Internet.  Viewed: 01/13/2005; Includes bibliographical references (p.31-33); Open access
ER  -