@misc{Bujak-Pietrek_Stella_Occupational,
 author={Bujak-Pietrek, Stella and Mikołajczyk, Urszula and Szadkowska-Stańczyk, Irena and Stroszejn-Mrowca, Grażyna},
 copyright={Nofer Institute of Occupational Medicine},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 type={language document},
 type={serial - article},
 title={Occupational exposure to Silica dust by selected sectors of national economy in Poland based on electronic database},
}