@book{23074,
	author = {Alvarado, Salustio. and Ballester Castell, Rafael.},
	title = {Síntesis de la enseñanza media / },
	editor = {Gráfica Administrativa)},
	publisher = {[s.n., },
	year = {1941] (},
	address = {Madrid : },
	edition = {[1ª ed.].}
}