@misc{Olszewski_Jerzy_Radon,
 author={Olszewski, Jerzy and Skubalski, Janusz},
 copyright={Olszewski, Jerzy},
 copyright={Skubalski, Janusz},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 title={Radon concentrations in selected residential buildings in the city of Łódź},
 type={serial - article},
 type={language document},
}