@book{50536,
	author = {Villegas Moreno, Evangelina. and Mertz, Edwin T.},
	title = {Chemical screening methods for maize protein quality at CIMMYT},
	publisher = {Centro Internacional de Mejoramiento de Maíz y Trigo,},
	year = {1971},
	series = {Research bulletin},
	address = {México, D.F. :}
}