@book{32531,
	author = {Machado, Ana María, 1941 -  and Da Coll, Ivar, 1962 - , il.},
	title = {Un buen coro / },
	publisher = {Grupo Editorial Norma, },
	year = {1998.},
	series = {Colección torre de papel.  Torre naranja},
	address = {Barcelona ; Bogotá : }
}