@misc{_Karte_[1893],
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 howpublished={online},
 year={[1893]},
 publisher={Kartogr. Abtheilung der Königl. Preuss. Landes-Aufnahme},
 language={ger},
 title={Karte des Deutschen Reichs 1:100 000 - 186. Prenzlau},
}