@misc{_Geologische_1932,
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 howpublished={online},
 year={1932},
 publisher={Reichsamts für Landesaufnahme},
 title={Geologische Karte 1:25 000 - 2947 Hirschberg},
 keywords={mapa geologiczna},
}