@book{197389,
	author = {Castañer Balcells, Marta. and Castañer Balcells, Marta.},
	title = {Unidades didácticas para primaria /},
	publisher = {INDE Publicaciones},
	year = {1996-},
	series = {Colección Unidades didácticas de aplicación},
	address = {Barcelona},
	note = {Set made up of various editions.}
}