1. JCGM 100 (2008) Evaluation of measurement data—guide to the expression of uncertainty in measurement. http://www.bipm.org/en/publications/guides/gum.html
2. Adams TM (2002) A2LA guide for the estimation of measurement uncertainty in testing. American Association for Laboratory Accreditation. http://www.a2la.org/guidance/est_mu_testing
3. QUAM (2012) Guide CG 4 Quantifying uncertainty in analytical measurement. EURACHEM / CITAC. https://www.eurachem.org/index.php/publications/guides/quam
4. EA-4/02 (2013) Expression of the uncertainty of measurement in calibration. European co-operation for Accreditation. http://www.european-accreditation.org/publication/ea-4-02-m-rev01-september-2013
5. EA-4/16 (2003) EA guidelines on the expression of uncertainty in quantitative testing. European co-operation for Accreditation. http://www.european-accreditation.org/publication/ea-4-16-g-rev00-december-2003-rev