@misc{Gaffurius_Franchinus_(1451-1522)_Francini,
 author={Gaffurius, Franchinus (1451-1522)},
 howpublished={online},
 publisher={Ponte, Gottardo da},
 language={lat},
 title={Francini Gafurii [...] de Harmonia Musicorum Instrumentorum Opus},
 type={stary druk},
 keywords={harmonia (muz.), muzyka, 1501-1600},
}