@misc{Focke_Rudolf_Die,
 author={Focke Rudolf},
 howpublished={online},
 publisher={Otto Harrassowitz, Leipzig},
 language={ger},
 type={nadbitki},
 title={Die Kaiser-Wilhelm-Bibliothek},
 keywords={Kaiser-Wilhelm-Bibliothek  Posen, Focke, Rudolf (1852-1918), Kaiser-Wilhelm-Bibliothek  Poznań},
}