@misc{_Geologische_[1924],
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 howpublished={online},
 year={[1924]},
 publisher={Topogr. Aufnahme des Preuss. Generalstabes},
 title={Geologische Karte 1:25 000 - 3074 Charlottenbrunn},
 keywords={mapa geologiczna},
}