@misc{Gea_Landkarten_Verlag._Wydawca_Gea-Weltkarte_[między,
 author={Gea Landkarten Verlag. Wydawca and Berliner Lithographisches Institut. Drukarz},
 copyright={Public Domain},
 address={Berlin},
 address={(Berlin)},
 howpublished={online},
 year={[między 1945 i 1949]},
 publisher={Gea Landkarten Verlag K.G.},
 publisher={(Berliner Lithographisches Institut)},
 language={ger},
 type={Image},
 title={Gea-Weltkarte : Äquatorialmaßstab 1:50000000},
 URL={http://www.rcin.org.pl/igipz/Content/215493/PDF/WA51_181813_PTGD1049-r1945_Gea-Waltkarte.pdf},
 keywords={political-administrative maps, political-administrative divisions, The Earth},
}