1. ANSI Y 14.5M: Dimensioning and Tolerancing for Engineering Drawings,1982
2. ISO 1101: Technical Drawings-Geometrical TolerancingTolerances of Form, Location and Run-out-Generalities, Definitions, Symbols, Indications on Drawings,1983
3. ISO 4291: Methods for the Assessment of Departure from Roundness-Measurement of Variations in Radius,1985
4. BS 308 Part ill: Geometric Tolerancing,1972
5. Testing of three coordinate measuring machine evaluation algorithms;Porta,1986