Industrial automation systems and integration - Product data representation and exchange - Part 21: Implementation methods: Clear text encoding of the exchange structure
Standard data element types with associated classification scheme for electric components - Part 2: EXPRESS dictionary schema (IEC 61360-2:2002); German version EN 61360-2:2002, text in English— 87 стр.
Standard data element types with associated classification scheme for electric components - Part 2: EXPRESS dictionary schema (IEC 61360-2:2002 + A1:2003)