@book{166005,
	author = {Venkatesan, V.},
	title = {Seed systems in Sub-Saharan Africa:},
	publisher = {World Bank,},
	year = {c1994.},
	series = {Work Bank discussion papers,},
	address = {Washington, D.C. :},
	url = {http://elibrary.worldbank.org/content/book/9780821330869}
}