@misc{Jan_z_Oświęcimia_(1443-1527)_Elucidarius,
 author={Jan z Oświęcimia (1443-1527)},
 address={[Kraków]},
 howpublished={online},
 publisher={[Haller, Jan (ca 1467-1525). Druk.]},
 language={lat},
 type={stary druk},
 title={Elucidarius errorum rithus Ruthenici},
}