@book{73543,
	author = {García Velázquez, Armando. and ENA. Colegio de Postgraduados. Chapingo, Méx. Rama de Genética.},
	title = {Cultive nopal de verdura.},
	publisher = {ENA. Colegio de Postgraduados,},
	year = {1972.},
	address = {Chapingo, Méx. :}
}