@book{75699,
	author = {Michal, Bernard.},
	title = {Los grandes enigmas de la Gran Guerra / },
	editor = {Artes Graf. Mateu Cromo)},
	publisher = {[s. n., },
	year = {1968-1969] (},
	series = {Los grandes enigmas históricos de nuestro tiempo},
	address = {Madrid : },
	edition = {Ed. reservada a los Amigos de la Historia.}
}