@misc{Niemcy._Heer._21_Armeekorps._Stellvertretendes_Generalkommando._Abteilung_Ia/Mess_Mil-Geo._Redaktor_Wehrkreis_1944,
 author={Niemcy. Heer. 21 Armeekorps. Stellvertretendes Generalkommando. Abteilung Ia/Mess Mil-Geo. Redaktor},
 copyright={Public Domain},
 address={Posen},
 howpublished={online},
 year={1944},
 publisher={[wydawca nieznany]},
 language={ger},
 type={Image},
 title={Wehrkreis XXI Reichsgau Wartheland : Eisenbahnkarte},
 URL={http://www.rcin.org.pl/igipz/Content/91191/PDF/WA51_94596_PAND11236-r1944_Wehrkreis-XXI-Eisenbahnkarte.pdf},
 keywords={railways, Poland, Wartheland, communication maps, railway maps},
}