@misc{_Karte_[ca,
 copyright={Public Domain},
 address={Berlin},
 howpublished={online},
 year={[ca 1939]},
 publisher={Druck u. Verlag Stritzke & Rothe},
 language={ger},
 title={Karte von Mitteleuropa : [mapa polityczna]},
 keywords={political-administrative maps, Central Europe},
}