@misc{Hummel_Johann_Nepomuk_(1778-1837)_Timpani,
 author={Hummel, Johann Nepomuk (1778-1837)},
 howpublished={online},
 publisher={[Bureau de Musique de C. F. Peters]},
 language={ita},
 title={Timpani in H. Fis.},
 type={druk muzyczny},
 keywords={nuty},
}