@misc{Kaleta_Dorota_Leisure,
 author={Kaleta, Dorota and Jegier, Anna},
 copyright={Kaleta, Dorota},
 copyright={Jegier, Anna},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 title={Leisure time activity in random sample of people at working age in Łódź - preliminary results},
 type={language document},
 type={serial - article},
}