1. BIPM, IEC, IFCC, ISO, IUPAC, IUPAP, OIML - Guide to the expression of uncertainty in measurement, ISO 1995.
2. JCGM, Guide to the expression of uncertainty in measurement supplement 1- numerical methods for the propagation of distributions, to be published.
3. Christophe Perruchet, Marc Priel, Estimer l’incertitude – Mesures & Essais, AFNOR, 2000, Spanish version published by AENOR.
4. EA–4/16 – Guidelines on the expression of uncertainty in quantitative testing, European co-operation of accreditation, 2004 French and English version available on the LNE web site .
5. ISO 5725, Accuracy (trueness and precision) of measurement methods and results, ISO 1994.