@book{30278,
	author = {Harder, Hans Adolf and Verlag von Georg Stilke},
	title = {Danzig, Polen und der Völkerbund :},
	publisher = {Verlag von Georg Stilke,},
	year = {1928.},
	address = {Berlin :},
	url = {http://pbc.gda.pl/dlibra/docmetadata?id=13893&from=&dirids=1&ver_id=&lp=1&QI=}
}