@book{35217,
	author = {Unamuno, Miguel de, 1864-1936},
	title = {Viejos y jóvenes},
	publisher = {Espasa-Calpe, S. A.,},
	year = {1956},
	address = {Madrid :},
	edition = {3},
	note = {Esta obra pertenece al donativo del exmagistrado Rodolfo Ricardo Ríos Vázquez}
}