Standardization - Part 2: Presentation of documents (ISO/IEC Directives - Part 2:2016, modified); German and English version CEN/CENELEC Internal Regulations - Part 3:2017— 231 стр.
Communication networks and systems for power utility automation - Part 4: System and project management (IEC 61850-4:2011); German version EN 61850-4:2011— 38 стр.
Technical drawings - General principles of presentation - Part 22: Basic conventions and applications for leader lines and reference lines (ISO 128-22:1999)— 8 стр.
