1. Measurement;Chang,2008
2. The History of Statistics: The Measurement of Uncertainty before 1900;Stigler,1986
3. How Accurate is the Standard Second?;Tal;Philos. Sci.,2011
4. Realistic Evaluation of the Precision and Accuracy of Instruments Calibration Systems;Eisenhart;Journal of Research of the National Bureau of Standards - C Engineering and Instrumentation,1963
5. JCGM (2012), International vocabulary of metrology - Basic and general concepts and associated terms (VIM), Sèvres: JCGM. 3rd edition. 2008 version with minor corrections.