@misc{_Artillerie-Schiessplatz_1916,
 editor={Niemcy. Grosser Generalstab. Kartographische Abteilung},
 copyright={Public Domain},
 address={[S.l.]},
 howpublished={online},
 year={1916},
 publisher={Kartogr. Abt. d. stellv Generalstabes d. Armee},
 language={ger},
 title={Artillerie-Schiessplatz Warschau},
 keywords={topographical maps, military maps, fortification maps, Warsaw, 20th century},
}