@misc{_Konin,
 address={[Berlin]},
 howpublished={online},
 publisher={Kartographische Abtheilung d. Königl. Preuss. Landes-Aufnahme},
 language={pol},
 language={ger},
 title={Konin B33},
 title={B33. Konin},
 type={mapa},
 keywords={Konin - okolice},
}