@misc{Olszewski_Jerzy_An,
 author={Olszewski, Jerzy and Chodak, Małgorzata and Jankowski, Jerzy},
 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={An assay of the current exposure to radon of spa workers in Poland},
}