1. JCGM 100:2008, Evaluation of Measurement Data – Guide to the Expression of Uncertainty in Measurement, first ed., 2008, Previously BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML, Guide to the Expression of Uncertainty in Measurement, first ed., 1993.
2. JCGM 200:2012, International Vocabulary of Metrology – Basic and General Concepts and Associated Terms (VIM), third ed., 2012.
3. On the application of the guide to the expression of uncertainty in measurement to measuring instruments;Arri;Measurement,1995
4. ISO/IEC CD 17043, Conformity Assessment – General requirements for Proficiency Testing, ed., 2010-02-01, Previously ISO/IEC Guide 43-2, 1997.
5. EA-2/10, EA Policy for Participation in National and International Proficiency Testing Activities, Rev. 2001.