@book{168217,
	author = {Guzmán López, Miguel Angel, },
	title = {La huella de la revolución mexicana en Guanajuato (1917- 1940)},
	publisher = {Universidad de Guanajuato, },
	year = {2011},
	series = {Colección Bi-centenario},
	address = {Guanajuato : }
}