1. Least-squares best-fit geometric elements, NPL Rep. DITC 140/89;Forbes,1989
2. The min–max problem for evaluating the form error of a circle;Jywe;Measurement,1999
3. Tschebyscheff approximation for the calculation of maximum inscribed/minimum circumscribed geometry elements and form deviations;Goch;CIRP Annals – Manufacturing Technology,2008
4. International Organization for Standardization, Geneva, Switzerland, ISO/TS 12181–1: Geometrical Product Specifications (GPS) – Roundness — Part 1: Vocabulary and Parameters of Roundness, 2003.
5. International Organization for Standardization, Geneva, Switzerland, ISO 1101, Geometrical Product Specifications (GPS) – tolerances of form, orientation, location and run out, second ed., December 2004.