1. Bureau of Labor Statistics (BLS). National Census of Fatal Occupational Injuries, January 2002. Available from: www.bls.gov.
2. Bureau of Labor Statistics (BLS). National Census of Nonfatal Occupational Injuries and Illnesses, January 2002. Available from: www.bls.gov.
3. Bureau of Labor Statistics (BLS). Fatal Occupational Injuries and Employment by Industry, January 2002. Available from: www.bls.gov.
4. Construction safety;Hinze,1997
5. Identifying root causes of construction injuries;Hinze;J Construct Eng Manage,1998