@misc{_Afrika_1941,
 copyright={Public Domain},
 address={[Miejsce nieznane]},
 howpublished={online},
 year={1941},
 publisher={herausgegeben von der Heeresplankammer},
 language={ger},
 title={Afrika 1:2 000 000. Kamerun},
 type={Image},
 URL={http://rcin.org.pl/Content/215667/PDF/WA51_224211_PAND19729-r1941_Afrika-1-2-000-000_0001.pdf},
 keywords={chorographic maps, Cameroon, Guinea Equatorial},
}