1. Civil Aviation Authority. Lasers, our safety plan.
https://www.caa.co.uk/Safety-initiatives-and-resources/How-we-regulate/Safety-Plan/Mitigating-key-safety-risks/Lasers/
. Accessed February 28, 2018.
2. (1992) BSEN 60825: 992. Radiation safety of laser products, equipment, classification, requirements and users guide. London: British Standards Institution; 1992.
3. American National Standards Institute (1993). American National Standard for the safe use of lasers, ANSI Z136.1. New York: National Standards Institute; 1993.
4. Safety of laser products - Part 1: Equipment classification and requirements (2nd edn). International Electrotechnical Commission. 2007.
5. Guidance – Laser radiation: safety advice. Public Health England. 2014.