@misc{Spontini_Gaspare_(1774-1851)_Duetto,
 author={Spontini, Gaspare (1774-1851)},
 address={[s.l.]},
 howpublished={online},
 publisher={[s.n.]},
 language={ger},
 type={rękopis muzyczny},
 title={Duetto aus der Oper Die Vestallin von Spontini},
 keywords={opera},
}