@book{127637,
	author = {Fraile, Guillermo. and Urdánoz, Teofilo.},
	title = {Historía de la filosofía},
	publisher = {Editorial Católica},
	year = {1956-},
	series = {Biblioteca de Autores Cristianos},
	address = {Madrid},
	note = {Vols. 4-5 by Teofilo Urdánoz.}
}