@misc{Orbellis_Nicolaus_de_Expositio_1494,
 author={Orbellis Nicolaus de},
 address={Basel},
 year={1494},
 publisher={Michael Furter},
 language={lat},
 title={Expositio logicae Petri Hispani...},
 type={stary druk},
 keywords={logika},
}