@misc{_Stadtplan_1941,
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={1941},
 publisher={Reichsamt für Landesaufnahme},
 language={ger},
 language={pol},
 title={Stadtplan von Lemberg (Lwowa)},
 keywords={street maps, Lvov street maps, Lvov, 20th century},
}