@misc{_Mazowieck,
 address={[Berlin]},
 howpublished={online},
 publisher={Kartographische Abteilung d. Königl. Preuss. Landes-Aufnahme},
 language={pol},
 language={ger},
 title={Mazowieck L30},
 title={L30. Mazowieck},
 type={mapa},
 keywords={Wysokie Mazowieckie (woj. podlaskie) - okolice},
}