@misc{Ambrosch_Joseph_Carl_(1754-1822)_Polonaise,
 author={Ambrosch, Joseph Carl (1754-1822)},
 address={[s.l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={ger},
 type={rękopis muzyczny},
 title={Polonaise "Alte und neue Zeit"},
 keywords={polonez},
}