@misc{_Wengrow,
 address={[Berlin]},
 howpublished={online},
 publisher={Kartographische Abtheilung d. Kgl. Preuss. Landesaufnahme},
 language={ger},
 language={rus},
 title={Wengrow K32},
 title={K32. Wengrow},
 type={mapa},
 keywords={Węgrów - okolice},
}