1. 1984. “Definitions and Designation of Geometric Derivations”. 1–12. JIS B0621
2. 1982. “Dimensioning and Tolerancing”. 1–148. ANSI Y14.5M
3. Fan, K. C. 1984. “Computer‐Aided Calibration of the Accuracy Performance of NC Machine Tools”. UMIST. Ph.D. Thesis
4. 1983. “Geometrical Tolerancing – Tolerancing of Form, Orientation, Location and Run‐out”. ISO. R1101