1. EN 60825-1:2007 – Safety of laser products – Part 1: Equipment classification and requirements (IEC 60825-1:2007), BeuthVerlag GmbH, Berlin, 2007/2008, and additional explanatory and corrective documents.
2. EN 207:2009-12, including Corrigendum EN 207:2009/AC: 2011-12 – Personal eye-protection equipment – Filters and eye-protectors against laser radiation (laser eye-protectors), BeuthVerlag GmbH, Berlin, 2009/2011.
3. EN 208:2009 – Personal eye-protection – Eye-protectors for adjustment work on lasers and laser systems (laser adjustment eye- protectors), BeuthVerlag GmbH, Berlin, 2009.
4. Directive, 2006/25/EC: “Minimum health and safety requirements regarding the exposure of workers to risks arising from physical agents (artificial optical radiation)”, Official Journal of the European Union 2006, L 114/38 – L 114/59.
5. Sliney, D.H., Wolbarsht, M., 1980. “Safety with Lasers and Other Optical Sources: A Comprehensive Handbook”, Plenum Press, New York.