@misc{Pfeffer_Johann_(?-ca_1494)_Tractatus,
 author={Pfeffer, Johann (?-ca 1494)},
 address={[Basel]},
 howpublished={online},
 publisher={Besicken Johann},
 language={lat},
 type={tekst},
 title={Tractatus de materiis indulgentiarum},
 keywords={teologia, religia katolicka, 15 w., odpusty, traktaty},
}