@book{170228,
	author = {Berg, Alban,  and Hildenbrand, Isabelle. and Opéra national de Paris.},
	title = {Lulu },
	publisher = {Théatre National de l'Opéra de Paris, },
	year = {1979.},
	series = {Musiques & musiciens},
	address = {Paris : }
}