@misc{Falkener_Michał_(ca_1460-1534)_Jntroductoriu[m]_1506,
 author={Falkener, Michał (ca 1460-1534)},
 year={1506},
 rights={Domena publiczna (Public domain)},
 publisher={[Haller, Jan (ca 1467-1525). Druk.]},
 language={lat},
 title={Jntroductoriu[m] astronomie Cracoviense elucida[n]s Almanach},
 type={stary druk},
 keywords={astronomia - 16 w., kalendarze - 16 w.},
}