8J R R Mayer, Y A Mir, et al. Touch probe radius compensation for coordinate measurement using kriging interpolation [ J ] . Proc. Inst. Mech. Engrs. , 1997, 211, Part B: 11-18.
9Hua Qiu, et al. A Practical Approach towards Form Deviation for Two - dimensional Contours Based on Co - ordinate Measurement Data [ J].International Journal of Machine Tools & Manufacture,2000, 40 (1): 259- 275.
10K. B. Smith, et al. Multi - Laser Displacement Sensor Used in Accurate Digitizing Technique [ J] . Transactions of the ASME, Journal of Engineering for Industry, 1994,116 (11).