@book{121952,
	author = {Rey, André},
	title = {Retraso mental y primeros ejercicios educativos},
	publisher = {Editorial Cincel},
	year = {1980.},
	series = {Fondo de educación especial},
	address = {Madrid},
	note = {Translation of : Arriération mentale et premiers exercices éducatifs.}
}