@book{86083,
	author = {Guerrero Villanueva, María Guadalupe and Ponce Reyes, Eliseo},
	title = {Valor nuricional de tortillas elaboradas con maíz de calidad proteínica (MCP)},
	publisher = {El autor,},
	year = {2002.},
	address = {Chapingo, Méx. :}
}