Standard data element types with associated classification scheme for electric components. IEC reference collection of standard data element types and component classes— 394 стр.
Standard data element types with associated classification scheme for electric components - Part 2: EXPRESS dictionary schema (IEC 61360-2:2002 + A1:2003)
Standard data element types with associated classification scheme for electric components - Part 5: Extensions to the EXPRESS dictionary schema (IEC 61360-5:2004)