@misc{Liebenow_Wilhelm_(1822–1897)_Special-Karte_[przed, author={Liebenow, Wilhelm (1822–1897)}, copyright={Copyright by Uniwersytet Wrocławski}, copyright={University of Wroclaw}, howpublished={online}, year={[przed 1870-}, publisher={Herm. Oppermann}, title={Special-Karte von Mittel-Europa 1:300 000 - Verdun 111.}, type={obraz}, keywords={mapa ogólnogeograficzna}, }