@misc{Wingren_Gun_Male,
 author={Wingren, Gun and Persson, Bodil},
 copyright={Wingren, Gun},
 copyright={Persson, Bodil},
 howpublished={online},
 publisher={Nofer Institute of Occupational Medicine},
 publisher={Polish Association of Occupational Medicine},
 language={eng},
 title={Male reproductive pattern in a glass producing area},
 type={serial - article},
 type={language document},
}