How much is an ecosystem worth? : assessing the economic value of conservation - IUCN--The World Conservation Union; Nature Conservancy (U.S.); World Bank. (Washington, DC : IUCN, the Nature Conservancy, the World Bank, 2005)
Includes bibliographical references (p. 31-33).
Available on the Internet. Viewed: 01/13/2005.
Keywords: Environmental protection -- Economic aspects; Environmental policy -- Economic aspects