@misc{Petrus_pauperus_rector_de_Potok_MS,
 author={Petrus pauperus rector de Potok},
 copyright={Jagiellonian University (edition)},
 howpublished={online},
 language={Latine},
 title={MS in the Library of the Diocesan Seminary in Kielce, Shelfmark RK 45/28 Rubrica},
}