@misc{Korytko_Stefan_Mapa_1925,
 author={Korytko, Stefan},
 editor={Kartographische Anstalt G. Freytag & Berndt},
 copyright={Public Domain},
 address={Lwów},
 address={(Wien)},
 howpublished={online},
 year={1925},
 publisher={Nakładem Stefan Korytko [!]},
 publisher={(Kartogr. Anstalt G Freytag & Berndt)},
 language={pol},
 language={ger},
 language={fre},
 language={eng},
 title={Mapa poglądowa światowego przemysłu naftowego = Übersichtskarte der Welt- Naphtha-Industrie = Carte d'orientation de l'industrie de pétrole du monde = General orientative map of the world's oil industry},
 keywords={economic maps, oil industry, crude oil},
}