@book{4453,
	author = {Silvius, G. Harold and Bohn, Ralph C.},
	title = {Organización y didáctica de la escuela industrial},
	publisher = {Troquel},
	year = {1974},
	address = {Buenos Aires},
	edition = {1ª ed.},
	note = {Apéndice p. 423-455}
}