@misc{Flemming_Carl_Stadtkreis,
 author={Flemming Carl},
 howpublished={online},
 publisher={Carl Flemming, Glogau},
 language={ger},
 type={mapy},
 title={Stadtkreis Posen und Kreis Posen-West; Massstab 1:150000},
 keywords={Poznań okolice część zachodnia 19w.},
}