@misc{_4227,
 address={[Berlin]},
 howpublished={online},
 publisher={OKH / Gen. StdH},
 language={pol},
 language={ger},
 type={mapa},
 title={4227 E Wehrburg (Wrobjew)},
 title={Wehrburg (Wrobljew) 4227 E},
 keywords={Sieradz (okręg) -- mapy -- 1939-1945 r, mapy topograficzne},
}