@misc{Wittczak_Tomasz_10th,
 author={Wittczak, Tomasz},
 copyright={Nofer Institute of Occupational Medicine},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={eng},
 type={serial - article},
 type={language document},
 title={10th National Congress of the Polish Association of Occupational Medicine. Łódź, Poland, 26-29 September 2004},
}