@misc{Vitelo_(c._1230_–_c._1280)_Vitellionis,
 author={Vitelo (c. 1230 – c. 1280)},
 howpublished={online},
 publisher={Petreius Johann},
 language={lat},
 language={grc},
 type={starodruki},
 title={Vitellionis [...] Peri optikes [grec.] id est de natura, ratione, et proiectione radiorum uisus, luminum, colorum atq[ue] formarum, quam vulgo perspectiuam uocant, libri X.},
 keywords={optyka 13w., fizyka 13w., optyka 16w., fizyka 16w., matematyka},
}