@book{22629,
	author = {Casella, Alfredo and Mortari, Virgilio},
	title = {La Técnica de la orquesta contemporánea /},
	publisher = {Ricordi Americana,},
	year = {cop. 1950},
	series = {Manuales musicales Ricordi},
	address = {Buenos Aires :},
	note = {Reimpressions: 1955, 2000}
}