@misc{Betti_Salvatore_[List,
 author={Betti, Salvatore},
 address={Roma},
 howpublished={online},
 language={ita},
 type={tekst},
 title={[List do J. D. F. Neigebaura - Neigebaur 21]},
 keywords={18 w., 19 w., Neigebaur, Johann Daniel Ferdinand (1783-1866), http://viaf.org/viaf/54139150, korespondencja},
}