@misc{_[Stolp,
 howpublished={online},
 publisher={Preuβische Landesaufnahme},
 language={ger},
 title={[Stolp 321]},
 type={cartography},
 keywords={Military maps - Germany - 1933-1945, Military topography - Germany - 1933-1945, Słupsk (Pomeranian Province) - army - 1939-1945 - maps, Army - Niemcy - 1939-1945 - maps},
}