@misc{Fischer_Hans_(1860–1941)._Redaktor_Columbus-Karte:_1941,
 author={Fischer, Hans (1860–1941). Redaktor and Erdmann, Curt. Redaktor and Winkel, Oswald (1874–1953). Redaktor},
 copyright={Public Domain},
 address={Berlin},
 address={Leipzig},
 howpublished={online},
 year={1941},
 publisher={Columbus-Verlag Paul Oestergaard K.G.},
 publisher={Verlag von H. Wagner & E. Debes},
 language={ger},
 title={Columbus-Karte: Europäisches Rußland : Mittlerer Maßstab 1:5.000.000},
 type={Image},
 URL={http://www.rcin.org.pl/igipz/Content/215673/PDF/WA51_224217_PTGD473-r1941_Columbus-Karte-Europaisch_0001.pdf},
 keywords={political-administrative maps, road maps, Second World War, East Europe, Russia (European part), Turkey},
}