@misc{_Karte_[1890],
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 howpublished={online},
 year={[1890]},
 publisher={s.n.},
 language={ger},
 title={Karte des Deutschen Reiches 1:100 000 - 422. Liegnitz},
}