1. Labour force survey;Australian Bureau of Statistics,1982
2. Fatal occupational injuries;Baker;JAMA,1982
3. Current population survey: Employment and earnings, January 1981–1986;Bureau of Labor Statistics,1981
4. Occupational injuries and illnesses in the United States by industry, 1984;Bureau of Labor Statistics;U.S. Department of Labor, Bulletin, 259,1986
5. Colorado population-based occupational injury and fatality surveillance system report, 1982–1984;Colorado Department of Health,1988