@misc{_Lublin_[ca,
 copyright={Public Domain},
 address={[S.l.]},
 howpublished={online},
 year={[ca 1935]},
 publisher={[s.n.]},
 language={pol},
 title={Lublin : [plan miasta]},
 keywords={street maps, Lublin street maps, Lublin, 20th century},
}