@misc{Bertini_Henri_(1798-1876)_50,
 author={Bertini, Henri (1798-1876)},
 howpublished={online},
 publisher={Schlesinger'sche Buch- und Musikhandlung},
 language={ger},
 language={fre},
 type={druk muzyczny},
 title={50 Uebungen, Einleitung zu den Uebungen v. Cramer : op. 29, 32 (4 Lief.). Lfg. 1},
 keywords={nuty 19 w., etiudy (fortepian) 19 w.},
}