@book{2111,
	author = {Burgmüller, Friedrich },
	title = {Tewnty-five easy and progressive studies for the piano / },
	publisher = {G.Schirmer Inc., },
	year = {s/f},
	address = {s/l : },
	edition = {1 ed.},
	note = {Biblioteca de Música. 4/84 juego de fichas retirado}
}