@misc{Kayser_Heinrich_Gustav_Johannes_(1853–1940)_[List,
 author={Kayser, Heinrich Gustav Johannes (1853–1940)},
 address={Bonn},
 howpublished={online},
 language={ger},
 type={tekst},
 title={[List do Otto Lummera - Lum. 119]},
 keywords={19 w., 20 w., korespondencja, Lummer, Otto (1860-1925), http://viaf.org/viaf/54931576},
}