@book{174144,
	author = {Crovetti, Giacomo.},
	title = {Educación logico-matemática 2},
	publisher = {Editorial Cincel, S.A.},
	year = {1984.},
	series = {Guias para el educador},
	address = {Madrid},
	note = {Translation of : Educazione logico-matematica.}
}