Public transport - Road vehicle scheduling and control systems - Part 1: WORLDFIP definition and application rules for onboard data transmission; English version EN 13149-1:2004— 78 стр.
Industrial communication networks - Fieldbus specifications - Part 2: Physical layer specification and service definition ( IEC 61158-2:2014) (english version)
Information technology - Open Systems Interconnection - Part 1: Basic Reference Model: The Basic Model (ISO/IEC 7498-1:1994); English version EN ISO/IEC 7498-1:1995