@misc{Studt_C._Plan,
 author={Studt, C.},
 address={Breslau},
 address={Brealau},
 howpublished={online},
 publisher={J. Urban Kern},
 publisher={Lith. Inst. Herm. Stein in Breslau},
 language={ger},
 title={Plan von Breslau : nach den neuesten Veränderungen},
 type={mapa},
 keywords={Wrocław -- mapy -- 19 w},
}