@misc{_Graudenc,
 address={[s.l.]},
 howpublished={online},
 publisher={General'nyj Štab Krasnoj Armii},
 language={rus},
 title={Graudenc N-34-86},
 title={N-34-86 (Graudenc), Pol'ša i Germaniâ (Vostočnaâ Prussiâ) : 1:100 000},
 type={mapa},
 keywords={Grudziądz - okolice},
}