@misc{_Graudenz,
 address={Hannover},
 howpublished={online},
 publisher={Kartographischen Verlag der Caoutchouc-Compagnie},
 language={ger},
 title={Graudenz},
 title={Graudenz Karte 16},
 type={mapa},
 keywords={Grudziądz - okolice, Toruń - okolice},
}