1. Concerning the Rrror Motion of Axer, of Rotation;Bryan;Annals ot the CTRP,1975
2. A Capacitance Based Precision Spindle Error Analyser;Chapman;V Kngineering,1985
3. A Si-pie Method for Separating Spindle Error from Test Ball Roundness Error;Donaldson;Annals of the CIRP,1972
4. Measuring the Radial Error of Precision Air Bearing;Holster;Philips Tech. Rev.,1983
5. New Measuring Method of Rotating Accuracy of Soindle;Kakino;Annals of the CIRP,1977