1. Accuracy Specifications for Coordinate Measuring Machines;CMMA,1982
2. Accuracy Specifications for Coordinate Measuring Machines;CMMA,1989
3. VDI/VDE 2617, Blatter 1, 2.1 und 3: Geauigkeit von Koordinatenmessgeraten—Kenngrossen und deren Prufung,19841986
4. ANSI/ASME B89.1.12M-1985,1985
5. NF E 11–150, 1986. Instruments de mesurage dimensionnel, machines à mesurer,1986