How much is an ecosystem worth? assessing the economic value of conservation / [electronic resource] :
IUCN, the Nature Conservancy, the World Bank.
- Washington, DC : IUCN, the Nature Conservancy, the World Bank, c2005.
- ix,33 p. : ill.
Includes bibliographical references (p. 31-33).
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.