@book{50447,
	author = {Villegas, Evangelina. and Bauer, Reinald.},
	title = {Chemical methods used at CIMMYT for determining protein quality in cereal grains},
	publisher = {Centro Internacional de Mejoramiento de Maíz y Trigo,},
	year = {1984},
	address = {México, D.F. :}
}