@book{36203,
	author = {Ipser, Karl and Palau-Ribes Casamitjana, Francisca},
	title = {Las obras de arte del Vaticano :},
	publisher = {Editorial Orbis,},
	year = {1953.},
	series = {Colecciones de arte (Ciudad del Vaticano)},
	address = {Barcelona :}
}