1. ISO/IEC 17000 (2004) Conformity assessment—Vocabulary and general principles. International Organization for Standardization (ISO), Geneva
2. Pendrill L, Karlson H, Fischer N, Demeyer S, Allard A (2015) EURAMET: A guide to decision-making and conformity assessment.
http://publikationer.extweb.sp.se/ViewDocument.aspx?RapportId=29488
3. JCGM 106 (2012) Evaluation of measurement data—The role of measurement uncertainty in conformity assessment. Joint Committee for Guides in Metrology, BIPM, Sèvres
http://www.bipm.org/utils/common/documents/jcgm/JCGM_106_2012_E.pdf
4. JCGM 200 (2012) International vocabulary of metrology–basic and general concepts and associated terms (VIM). Joint Committee for Guides in Metrology, BIPM, Sèvres,
http://www.bipm.org/utils/common/documents/jcgm/JCGM_200_2012.pdf
5. JCGM 100 (2008) Evaluation of measurement data – Guide to the expression of uncertainty in measurement. Joint Committee for Guides in Metrology, BIPM, Sèvres,
http://www.bipm.org/utils/common/documents/jcgm/JCGM_100_2008_E.pdf