@misc{Kery_Joannes_Decreta,
 author={Kery, Joannes},
 howpublished={online},
 publisher={Drukarnia Jezuitów},
 language={lat},
 title={Decreta Summorum Pontificum, Sacræ Sedis Apostolicæ : Quotannis a Regularibus temporibus certis legenda},
 type={starodruk},
}