@misc{Winkler_Paul_Riesengebirge_[ca,
 author={Winkler, Paul},
 editor={C. C. Meinhold und Söhne},
 copyright={Rights Reserved - Restricted Access},
 address={Dresden},
 howpublished={online},
 year={[ca 1925]},
 publisher={Lithographie Druck u. Verlag von C. C. Meinhold & Söhne},
 language={ger},
 title={Riesengebirge (Schneegruben)},
 keywords={tourist maps, Giant Mountains, Jelenia Góra region},
}