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2. JAMA/JAPIA, JAMA/JAPIA PDQ guideline V3.0—PDQ criteria part, 2003, http://www.jama.or.jp/it/pdq.
3. VDA recommendation 4955/2: scope and quality of CAD/CAM data, German Association of the Automotive Industry (VDA), Frankfurt, Germany, 1999.
4. IGES: a key to CAD/CAM systems integration;Smith;IEEE Computer Graphics and Applications,1983
5. ISO 10303-1, Industrial automation systems and integration—product data representation and exchange—Part 1. Overview and fundamental principles, 1994.