@book{166071,
	author = {Convery, Frank J.},
	title = {Applying environmental economics in Africa/},
	publisher = {World Bank,},
	year = {c1995.},
	series = {World Bank technical paper,},
	address = {Washington, D.C. :},
	url = {http://elibrary.worldbank.org/content/book/9780821331903}
}