@book{28425,
	author = {Muñoz Ledo, Norma and Diego, Rapi},
	title = {Matemágicas /},
	publisher = {Grupo Editorial Norma,},
	year = {2004},
	series = {Colección Torre de Papel, Torre Amarilla},
	address = {Barcelona :},
	edition = {1 ed.}
}