@misc{Gawęda_Ewa_Occupational,
 author={Gawęda, Ewa},
 copyright={Gawęda, Ewa},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 type={serial - article},
 type={language document},
 title={Occupational exposure to carcinogenic metals and metalloids in refining of heavy metals},
}