@misc{Fleckeisen_Karl_Friedrich_Wilhelm_Alfred_[Korespondencja,
 author={Fleckeisen, Karl Friedrich Wilhelm Alfred},
 address={[Frankfurt a.M.]},
 howpublished={online},
 language={ger},
 type={text},
 title={[Korespondencja Friedricha Haasego - Haase 235]},
 keywords={Enrich Europeana Plus, correspondence},
}