1. 1) E. Trapet, et al., Traceability of Coordinate Measurements According to the Method of the Virtual Measuring Machine, Final Project Report MAT1-CT94-0076, PTB-Bericht F-35, Part 1 and 2 (1999).
2. 3) ISO TS 15530-3, Geometrical Product Specifications (GPS) —Coordinate measuring machines (CMM) — Techniques for determining the uncertainty of measurement — Part 3 : Use of calibrated workpieces (in future).
3. 4) D. Hueser, et al., Calibration of coordinate measuring machines based on ball plates, proceedings of the IMEKO World Congress Torino, Vol. 3, 1646 (1994).
4. 5) JIS B 7440-2, 製品の幾何特性仕様 (GPS) —座標測定機 (CMM) の受入検査及び定期検査— 第2部 : 寸法測定 (2003).