@book{256046,
	author = {Elz, Dieter, and World Bank.},
	title = {Agricultural marketing strategy and pricing policy /},
	publisher = {World Bank,},
	year = {c1987.},
	address = {Washington, D.C. :},
	note = {Based on papers from a seminar held in Washington, D.C., May 6-17, 1985.}
}