National Institute for Occupational Safety and Health. (1977). Practical problems and policy issues arising from exposures to hazardous chemical and physical agents in the workplace. Cincinati, Ohio: National Institute for Occupational Safety and Health.
Chicago Style CitationNational Institute for Occupational Safety and Health. Practical Problems and Policy Issues Arising From Exposures to Hazardous Chemical and Physical Agents in the Workplace. Cincinati, Ohio: National Institute for Occupational Safety and Health, 1977.
MLA CitationNational Institute for Occupational Safety and Health. Practical Problems and Policy Issues Arising From Exposures to Hazardous Chemical and Physical Agents in the Workplace. Cincinati, Ohio: National Institute for Occupational Safety and Health, 1977.