@misc{Gaszowiec_Piotr_(ca_1430-1474)_Computus,
 author={Gaszowiec, Piotr (ca 1430-1474)},
 howpublished={online},
 publisher={in edibus Joannis Singrenij},
 language={lat},
 type={stary druk},
 title={Computus nouus & ecclesiasticus totius fere Astronomie fundamentu[m] pulcherrimum co[n]tinens. Clerico non minus vtilis quam necessarius : cum additionibus quibusdam nouiter appressis},
 keywords={16 w., wydawnictwa przed 1800, stare druki, astronomia},
}