@misc{_Kreis,
 howpublished={online},
 publisher={Verlag von C. Flemming in Glogau},
 language={ger},
 type={mapa},
 title={Kreis Oletzko (A. 267.V.13)},
 keywords={Ełk, Filipów, Olecko - powiat, Pojezierze Ełckie, Stare Juchy, Wzgórza Szeskie},
}