@misc{Szozda_Ryszard_Polish,
 author={Szozda, Ryszard},
 copyright={Szozda, Ryszard},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={pol, eng},
 title={Polish bibliography of occupational medicine before 1950},
 type={language document},
 type={serial - article},
}