@book{17602,
	author = {Horton, Douglas and Dorosh, Paul and Winrock International Institute for Agricultural Development. },
	title = {Underground crops :},
	publisher = {Winrock International Institute for Agricultural Development,},
	year = {1988.},
	address = {Morrilton, AR :},
	note = {Incluye: A note on the quality and interpretation of African data, por Paul Dorosh.}
}