@book{2658,
	author = {Puccini, Giacomo and Pahlen, Kurt,},
	title = {Madama Butterfly :},
	publisher = {Javier Vergara,},
	year = {1991.},
	series = {La opera en el mundo},
	address = {Buenos Aires :},
	edition = {1a. ed.},
	note = {Incluye índice}
}