@book{127432,
	author = {Richthofen, Erich von. and Romero, Beatriz.},
	title = {Nuevos estudios épicos medievales / },
	publisher = {Gredos, },
	year = {1970.},
	series = {Biblioteca románica hispánica. Estudios y ensayos},
	address = {Madrid : }
}