1. ANSI/National Conference of Standards Laboratories. U.S. Guide to the Expression of Uncertainty in Measurement, ANSI/NCSL Z540-2-1997 1997. (Note that this is the U.S. version of International Organization for Standardizations (ISO). Guide to the Expression of Uncertainty in Measurement (GUM). ISO: Geneva, Switzerland, 1995.)
2. Techniques for Uncertainty Analysis of Complex Measurement Processes
3. , . Generalised Gauss-Markov regression. Algorithms for Approximation IV: Proceedings of the 2001 International Symposium, , (eds.). The University of Huddersfield: Huddersfield, 2002; 270-277. Available at: http://www.npl.co.uk/ssfm/theme1/project1_2/index.html [6 January 2002].
4. Measurement Error Models. Wiley: New York, 1987.
5. Stochastic Regression with Errors in Both Variables