@book{80346,
	author = {López-Pereira, Miguel A.},
	title = {The economics of quality protein maize as an animal feed :},
	publisher = {Centro Internacional de Mejoramiento de Maíz y Trigo,},
	year = {1992.},
	series = {Economía. Documento de trabajo},
	address = {México, D.F. :}
}