@book{4107,
	author = {Alfonso and Filgueira Valverde, José},
	title = {Primera crónica general de España},
	publisher = {Ebro},
	year = {1962},
	series = {Biblioteca clásica Ebro},
	address = {Zaragoza},
	edition = {4ª ed.},
	note = {Contiene biografía de Alfonso el Sabio en p. 9-8}
}