Occupational Safety and Health Administration (OSHA). Regulations: Safety Nets: 1926.105. Washington, DC: U.S. Department of Labor, 1994. http://www.osha.gov/ (17 May 2007)

Occupational Safety and Health Administration (OSHA). Regulations: Safety Nets: 1926.105. Washington, DC: U.S. Department of Labor, 1994. http://www.osha.gov/ (17 May 2007)