@book{23800,
	author = {Waldrup, Earl W },
	title = {Teaching and training with audio-visuals},
	publisher = {Convention Press, },
	year = {c1962},
	address = {Nashville : },
	edition = {1 ed.},
	note = {Enseñanza y preparación con materiales audio-visuales.Libro perdido. Juego de fichas retirado 6/76.}
}