@book{71116,
	author = {Gastone, Amedee.},
	title = {L'art gregorien / },
	editor = {Ch. Herissey)},
	publisher = {s.n.], },
	year = {1912 (},
	series = {Les maitres de la musique},
	address = {[S.l. : },
	edition = {2eme ed.}
}