@book{23443,
	author = {Gauthier, André, and Ximénez de Sandoval, Felipe,},
	title = {Beethoven /},
	publisher = {Espasa-Calpe,},
	year = {1976.},
	series = {Clásicos de la música},
	address = {Madrid, (España) :},
	edition = {2a ed.}
}