@book{30000,
	author = {Pérez Galdós, Benito and Oyarbide, Miguel Ángel},
	title = {Trafalgar /},
	publisher = {Ediciones Generales Anaya,},
	year = {1983},
	series = {Colección Tus Libros Marineros ;},
	address = {Madrid :},
	edition = {2 ed.}
}