@misc{Salguis_Raimundus_de_(c._1300_–_1375)_Ars,
 author={Salguis, Raimundus de (c. 1300 – 1375)},
 address={[Köln]},
 howpublished={online},
 publisher={Koelhoff, Johann ( -1493). Druk.},
 language={lat},
 title={Ars inveniendi themata},
 keywords={Kolekcje Piastowskie, 15 w., inkunabuły},
}