1. Bernard, B.P. (Ed.), 1997. Musculoskeletal Disorders and Workplace Factors: A Critical Review of Epidemiologic Evidence for Work-Related Musculoskeletal Disorders of the Neck, Upper Extremity, and Low Back, Second Printing. National Institute for Occupational Safety and Health (NIOSH) US Department of Health and Human Services, Centers for Disease Control Safety and Health, Publication No. 97-141
2. PATH;Buchholz;Applied Ergonomics,1996
3. Quantification of ergonomic hazards for ironworkers performing concrete reinforcement tasks during heavy highway construction;Buchholz;American Industrial Hygiene Association Journal,2003
4. Bureau of Labor Statistics, BLS, 2001, http://stats.bls.gov/iif/oshwc/osh/os/osnr0016.pdf
5. Center to Protect Workers’ Rights, CPWR, 1994. Work-Related Musculoskeletal Disorders: A Construction Biography. CPWR, Washington, DC.