@misc{Ailly_Pierre_d'_(1350-1420?)_Concordantia,
 author={Ailly, Pierre d' (1350-1420?)},
 howpublished={online},
 publisher={Erhard Ratdolt},
 publisher={Johannes Angelus},
 language={lat},
 type={starodruk},
 title={Concordantia astronomiae cum theologia},
}