@misc{Humboldt_Alexander_von_[List,
 author={Humboldt, Alexander von},
 howpublished={online},
 language={ger},
 type={tekst},
 title={[List do J. D. F. Neigebaura - Neigebaur 97]},
 keywords={18 w., 19 w., Neigebaur, Johann Daniel Ferdinand (1783-1866), http://viaf.org/viaf/54139150, korespondencja},
}