1. ACGIH. 2004. Threshold Limit Values and Biological Exposure Indices. Cincinnati, OH: American Conference of Governmental Industrial Hygienists.
2. AIHA. 2001. Nonionizing Radiation Guide Series, Ultraviolet Radiation. Akron, OH: American Industrial Hygiene Association. Report nr ISBN 0-932627-08-8.
3. ANSI. 2003. American National Standard Practice for Occupational and Educational Personal Eye and Face Protective Devices. New York: American National Standards Institute. Report nr ANSI Z87.1-2003.
4. ANSI. 2005. Safety in Welding, Cutting, and Allied Processes. New York: American National Standards Institute. Report nr ANSI Z49.1-2005.
5. ASHRAE. 2008. Handbook of Applications:
Chapter 16
:: Ultraviolet Lamp Systems. Atlanta, GA: American Society of Heating, Refrigerating, and Air-Conditioning Engineers.