@book{176642,
	author = {Ramírez Sepúlveda, Marco Favio},
	title = {Sistema agroindustrial porcícola /},
	publisher = {El autor,},
	year = {2000},
	address = {México :},
	note = {Grado : 6° año  Grupo : 02
Directorio : hoja 81-82}
}