1. Y. Kakino, Y. Yamamoto and N. Ishii, ?New measuring method of rotating accuracy of spindle?, Annals CIRP, 25(1), pp. 241?245, 1977.
2. B. Bryan and P. Vanherck, ?Unification of terminology concerning the error motion of axes of rotation?, Annals CIRP, 24(2), pp. 555?562, 1975.
3. ?Unification document me: axes of rotation?, Annals CIRP, 25(2), pp. 545?564, 1976.
4. ?Determination of accuracy and repeatability of positioning of numerically controlled machine tools?, ISO 230/2, Part 2, 1988.