@misc{Plehn_Hans_(1868-1918)_Geschichte,
 author={Plehn, Hans (1868-1918)},
 address={Leipzig},
 howpublished={online},
 publisher={Duncker & Humblot},
 language={ger},
 language={lat},
 type={książka},
 title={Geschichte des Kreises Strasburg in Westpreussen},
 keywords={historia powiatu brodnickiego, powiat brodnicki},
}