@book{166899,
	author = {Benson, Charlotte, and Clay, Edward J.},
	title = {The impact of drought on Sub-Saharan African economies:},
	publisher = {World Bank,},
	year = {c1998.},
	series = {World Bank technical paper,},
	address = {Washington, D.C. :},
	url = {http://elibrary.worldbank.org/content/book/9780821341803}
}