@misc{_Umgebung,
 address={[Wien]},
 howpublished={online},
 publisher={K. u K. Militärgeografisches Institut},
 language={ger},
 language={pol},
 title={Umgebung von Lemberg},
 type={mapa},
 keywords={Lwów (okręg) -- mapy -- 19 w, Lwów - okolice},
}