@misc{Indulski_Janusz_A,
 author={Indulski, Janusz and Nofer, Jerzy and Romejko, A.},
 howpublished={online},
 publisher={Państwowy Zakład Wydawnictw Lekarskich},
 language={eng},
 language={pol},
 language={rus},
 type={article},
 type={language document},
 title={A trial of statistical analysis of the distribution of incidence of sick-absenteeism},
}