@book{52630,
	author = {Dawson, Christopher. and Fernández Buján, Justo.},
	title = {Ensayos acerca de la Edad Media / },
	editor = {Argüelles)},
	publisher = {Aguilar, },
	year = {1956 (},
	series = {Colección literaria},
	address = {Madrid : }
}