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2. International Standards Organization, ISO 14649-10, Data Model for Computerized Numerical Controllers. Part 10. General Process Data, 2003.
3. International Standards Organization, ISO 14649-1, Data Model for Computerized Numerical Controllers. Part 1. Overview and Fundamental Principles, 2003.
4. Architecture implementation of a shop floor programming system for STEP compliant CNC;Shu;Computer Aided Design,2003
5. Curves and Surfaces for Computer Aided Geometric Design. A Practical Guide;Farin,1993