@book{67030,
	author = {ebrary, Inc.},
	title = {How much is an ecosystem worth?},
	publisher = {IUCN, the Nature Conservancy, the World Bank,},
	year = {c2005.},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10085127}
}