@book{49946,
	author = {Anderson, Dennis, and Williams, Robert H., and Global Environment Facility.},
	title = {The cost-effectiveness of GEF projects /},
	publisher = {Global Environment Facility,},
	year = {c1993.},
	series = {Working paper,},
	address = {Washington, DC :},
	note = {"UNDP, UNEP, The World Bank."}
}