@book{50303,
	author = {Piña Luján, Ignacio. and Laboratorios Nacionales de Fomento Industrial. México.},
	title = {La grana o cochinilla del nopal},
	publisher = {Laboratorios Nacionales de Fomento Industrial,},
	year = {1977},
	series = {Monografías LANFI},
	address = {México :}
}