@book{36966,
	author = {Heward, William L. and Orlansky, Michael D.},
	title = {Programas de educación especial /},
	publisher = {Ediciones Ceac,},
	year = {1992.},
	series = {Colección educación especial},
	address = {Madrid :},
	note = {Incluye indice.}
}