@book{6706,
	author = {Frostig, Marianne},
	title = {Figuras y formas},
	publisher = {Editorial Médica Panamericana},
	year = {1983},
	series = {Programa para el Desarrollo de la Percepción Visual: aprestamiento preescolar corporal, objetal y gráfico},
	address = {México, D.F.},
	edition = {ed. rev.}
}