@misc{Richard_Schwarz._Redaktor._Wydawca_Der_[między,
 author={Richard Schwarz. Redaktor. Wydawca},
 copyright={Public Domain},
 address={Frankfurt a.M.},
 howpublished={online},
 year={[między 1947 i 1948]},
 publisher={Landkartenhandlung und Landkartenverlag Richard Schwarz KG},
 language={ger},
 title={Der Europaische Raum},
 URL={http://www.rcin.org.pl/igipz/Content/91890/PDF/WA51_92755_PTGD1047-r1947_Der-Europaische-Raum.pdf},
 keywords={Europe, political-administrative maps},
}