1. British Standards BS EN 60825‐1: 1994 Safety of laser products – Part 1: Equipment classification, requirements and user's guide; BS EN 60601‐2‐22: 1993
2. International Electrotechnical Commission PD IEC TR 60825‐14: 2004 Safety of laser products – Part 14: A user's guide
3. Subchapter J, Radiological Health Code of Federal Regulations. In: FDA CDRH (Center for Devices and Radiological Health) Food & Drugs, Title 21, Volume 8, Revised as of April 1, 2005. CITE: 21CFR1040.10 and 1040.11 (Performance standards for light‐emitting products)
4. International Electrotechnical Commission IEC TR60825‐9 1999, Part 9: Compilation of maximum permissible exposure to incoherent optical radiation. 1st ed. Edition Geneva: International Electrotechnical Commission; 1999–10