@book{103911,
	author = {Pacaut, Marcel.},
	title = {Federico Barbarroja.},
	publisher = {Espasa-Calpe},
	year = {[1971]},
	series = {Colección Austral, No. 1492},
	address = {Madrid},
	note = {"Título original: Frédéric Barberousse."}
}