1. ISO, Industrial automation systems and integration—product data representation and exchange, ISO 10303:1994. Geneva, Switzerland: International Organization for Standardization (ISO), 1994. Note: the ISO catalogue is online at http://www.iso.ch/iso/en/CatalogueListPage.CatalogueList—search on 10303 for a listing of published parts of the standard.
2. Introduction to ISO 10303—the STEP standard for product data exchange;Pratt;ASME J. Comput Inform Sci Eng,2001
3. STEP: an introduction;Owen,1997
4. ISO, Industrial automation systems and integration - Product data representation and exchange—part 11: description methods: the EXPRESS language reference manual, ISO 10303-11:1994. Geneva, Switzerland: International Organization for Standardization (ISO); 1994.
5. ISO, 1994. Industrial automation systems and integration—product data representation and exchange—part 203: application protocol: configuration controlled 3D designs of mechanical parts and assemblies, ISO 10303-203:1994. Geneva, Switzerland: International Organization for Standardization (ISO); 1994.