@book{34235,
	author = {Catholic Church and Pius},
	title = {Pio XI},
	publisher = {Editorial Apostolado de la Prensa},
	year = {[1960?]},
	series = {Las Grandes encíclicas sociales.},
	address = {Madrid},
	note = {"El presente folleto es un 'separatum' de nuestra obra Las grandes encíclicas sociales."--P. [2].}
}