@misc{Marek_Józef_Polonaise,
 author={Marek, Józef},
 address={Léopol},
 address={Cracovie},
 address={Lemberg},
 howpublished={online},
 publisher={Ch. Wild [etc.]},
 publisher={S. A. Krzyżanowski},
 publisher={Lit. J. Kostkiewicz},
 language={pol},
 title={Polonaise funebre : pour piano : no. 1},
 title={Musique funebre a Léopol},
 type={druk muzyczny},
 keywords={polonezy (fortepian), muzyka fortepianowa, 19 w.},
}