1. Uncertainty of measurement. Part 3. Guide to the expression of uncertainty in measurement (GUM: 1995);ISO/IEC Guide 98-3:2008,2008
2. U.S. guide to the expression of uncertainty in measurement;ANSI/NCSL Z540.2-1997,1997
3. NIST technical note 1297. Guidelines for evaluating and expressing the uncertainty of NIST measurement results;Taylor,1994
4. General requirements for the competence of testing and calibration laboratories;ISO/IEC 17025:2005,2005
5. Expression of the uncertainty of measurement in calibration;EA-4/02,1999