1. Methods for Performance Evaluation of Coordinate Measuring Machines;ANSI/ASME B89.1.12M,1990
2. Accuracy of Coordinate Measuring Machines;VDI/VDE 2617,1989
3. Coordinate Metrology;ISO 10360-2,1994
4. Coordinate Measuring Machines, Part 3: Code of Practice;BS 6808,1989
5. Coordinate Measuring Machine Calibration;WECC Technical Guidline,1993