1. Productive Metrology—Adding Value to Manufacture, Keynote Paper;Kunzmann;CIRP Annals,2005
2. Geometric Product Specification (GPS) – General Concepts – Part 2: Operators and Uncertainties;ISO/TS 17450-2,2002
3. Guide to the Expression of Uncertainty in Measurement;GUM,1995
4. An Integrated View of Geometrical Product Specification and Verification;Srinivassan,2001
5. Bevel Gear Classification, Tolerances, and Measuring Methods;ANSI/AGMA 2009-B01,2005