@misc{Gawęda_Ewa_Chemical, author={Gawęda, Ewa}, copyright={Gawęda, Ewa}, howpublished={online}, publisher={Nofer Institute of Occupational Medicine}, publisher={Polish Association of Occupational Medicine}, language={pol, eng}, title={Chemical hazards induced by heavy metals refining processes}, type={language document}, type={serial - article}, }