@misc{Gaffurius_Franchinus_(1451-1522)_Practica,
 author={Gaffurius, Franchinus (1451-1522)},
 howpublished={online},
 publisher={Misinta, Bernardino. Drukarz},
 publisher={Britannico, Angelo (14..-1517). Nakładca},
 language={lat},
 title={Practica Musicae utriusq[ue] cantus excellentis franchini gaffori Laudensis, quatuor libris modulatissima},
 type={stary druk},
 keywords={Teoria muzyki, 1501-1600},
}