1. JCGM (2008) Guide to the expression of uncertainty in measurement (GUM), JCGM 100. www.bipm.org
2. JCGM (2009) An introduction to the Guide to the expression of uncertainty in measurement and related documents, JCGM 104. www.bipm.org
3. JCGM (2012) International vocabulary of metrology—Basic and general concepts and associated terms (VIM), 3rd edn. JCGM 200. www.bipm.org
4. EURACHEM/CITAC Guide CG (2012) Quantifying Uncertainty in Analytical Measurement, EURACHEM/CITAC Guide CG 4. www.eurachem.org
5. EUROLAB (2006) Guide to the evaluation of Measurement Uncertainty for Quantitative Test Results, EUROLAB Technical Report 1. www.eurolab.org