NORPPA HANNU 304,857 OCCUPATIONAL Occupational epidemics in the 1990s i Fifth US-(United States) Finnish joint Syaposium on Occupational Safety and Health i Cincinnati, Ohio, 9-12 June 1992 / guest eds Hannu Norppa, Janet C. Haartz ; arr. by National Institute for Occupational Safety and Health [...] - (Helsinki t Publ. by Institute of Occupational Health, Finland, et al.], 1992. - 136 s. ; il., wykr. ; 25 ca (Scandinavian Journal of Work, Environment and Health, ISSN 0355-3140 ; vol. 18, suppl. 2)