1. General requirements for the competence of testing and calibration laboratories, 17025, Geneva, 2005.
2. 104:2009, Evaluation of measurement data — an introduction to the “Guide to the expression of uncertainty in measurement” and related documents, 2009.
3. 100:2008 Evaluation of measurement data —Guide to the expression of uncertainty in measurement. First edition, 2008.
4. S.L. R. Ellison (LGC, UK), A Williams (UK). EURACHEM / CITAC Guide CG 4, Quantifying Uncertainty in Analytical Measurement 3rd, 2012.
5. GUIDE 98-1, Uncertainty of measurement —Part 1: Introduction to the expression of uncertainty in measurement. First edition, 2009.