00883nam 2200253z- 450 991067189870332119900721140708.9(CKB)4920000000518875(EXLCZ)99492000000051887520200531c1980uuuu -u- -engOccupational exposure to airborne substances harmful to healthInternational Labour Organization, represented by the International Labour Office (ILO)92-2-102442-3 Industrial hygieneLaw and legislationAirPollutionLaw and legislationIndustrial hygieneLaw and legislation.AirPollutionLaw and legislation.344/.0465342.4465BOOK9910671898703321Occupational exposure to airborne substances harmful to health3047911UNINA