@book{89903,
	author = {Wirsing, Giselher, and Haushofer, Albrecht,},
	title = {Der Krieg 1939/40 in Karten.},
	publisher = {Knorr & Hirth,},
	year = {[1940]},
	address = {München,},
	note = {"Dritte durchgesehene Auflage."}
}