@misc{Grzegorz_IX_papież_Decretalium,
 author={Grzegorz IX papież},
 howpublished={online},
 publisher={Amerbach, Johann},
 publisher={Froben, Johann},
 language={lat},
 type={inkunabuły},
 title={Decretalium dni pape Gregorij noni cōpilatio accurata diligētia emēdata sūmoq3 studio elaborata et cu3 scripturis sacris aptissime ocordata},
}