@misc{_XXI_1939,
 copyright={Public Domain},
 address={[Miejsce nieznane]},
 journal={Nastoâŝaâ Karta Masštaba 1:25 000 - Generalʹnyj Štab RKKA},
 howpublished={online},
 year={1939},
 publisher={Generalʹnyj Štab RKKA},
 language={rus},
 title={XXI - 18 - D : Polʹša},
 type={Image},
 keywords={topographic maps, Niahatsava (Belarus; region)},
}