@misc{_Plan_[post,
 copyright={Public Domain},
 address={[S.l.]},
 address={Warszawa},
 howpublished={online},
 year={[post 1916]},
 publisher={Wyd. "Świt"},
 publisher={Zakł. Graf. B. Wierzbicki i S-ka},
 language={pol},
 title={Plan miasta stołecznego Warszawy},
 title={Plan m. st. Warszawy},
 type={Image},
 keywords={street maps, Warsaw street maps, Warsaw, 20th century},
}