@book{4340,
	author = {Giordano, Luis and De Ballent, Elba G.},
	title = {Discalculia escolar},
	publisher = {El Ateneo},
	year = {1978},
	address = {Buenos Aires},
	edition = {2ª ed.},
	note = {I.A.R.: INSTITUTO ARGENTINO DE REEDUCACION}
}