1. American Society of Mechanical Engineers, ASME B89.4.22-2004: Methods for performance evaluation of articulated arm coordinate measuring machines, ISBN: 0791829405, 2004.
2. International Organization of Standardization, Guide to the Expression of Uncertainty in Measurement, Switzerland, 1995.
3. Verein Deutscher Ingenieure, VDI/VDE 2617 Part 9: Acceptance and reverification test for articulated arm measuring machines, 2009.