@misc{Petau_Denis_(1583-1652)_Dionysii,
 author={Petau, Denis (1583-1652)},
 howpublished={online},
 publisher={Apud Gregorium Gallet},
 language={lat},
 language={gre},
 type={stary druk},
 title={Dionysii Petavii Aurelianensis, e Societate Jesu, Opus De Doctrina Temporum. T. 1-3},
 keywords={astronomia, kalendarze, starodruki},
}