@misc{Bergau_Rudolf_(1836-1905)_Das,
 author={Bergau, Rudolf (1836-1905)},
 address={Berlin},
 howpublished={online},
 publisher={C. G. Lüderitz'sche Verlagsbuchhandlung, Carl Habel},
 language={ger},
 type={broszura},
 title={Das Ordenshaupthaus Marienburg in Preußen},
}