@book{29661,
	author = {Ziekursch, Johannes and Verlag Ferdinand Hirt (Wrocław)},
	title = {Hundert Jahre schlesischer Agrargeschichte :},
	publisher = {Ferdinand Hirt,},
	year = {1915.},
	series = {Darstellungen und Quellen zur Schlesischen Geschichte ;},
	address = {Breslau :},
	url = {http://obc.opole.pl/publication/716}
}