1. ISO 9000:2005, Quality management systems – Fundamentals and vocabulary (ISO, Switzerland, 2005)
2. ISO 9001 2008, Quality management systems – Requirements (ISO, Switzerland, 2008)
3. ISO/TR 10017:2003, Guidance on statistical techniques for ISO 9001:2000 (ISO, Switzerland, 2003)
4. ISO 5725-1:1994/Cor 1:1998, Accuracy (trueness and precision) of measurement methods and results – Part 1: General principles and definitions (ISO, Switzerland, 1994/1998)
5. ISO/IEC 17025:2005, General requirements for the competence of testing and calibration laboratories (ISO, Switzerland, 2005)