@misc{Spangenberg_Johann_(1484-1550)_Computus_1539,
 author={Spangenberg, Johann (1484-1550)},
 year={1539},
 rights={Domena publiczna (Public domain)},
 publisher={Rhau, Georg (1488-1548). Druk.},
 language={lat},
 title={Computus Ecclesiasticus In Pueriles qu[a]estiones redactus […]},
 type={stary druk},
 keywords={astronomia - Polska - 16 w., kalendarz liturgiczny - 16 w., kościelna rachuba czasu - 16 w.},
}