Industrial communication networks - Fieldbus specifications -- Part 5-10: Application layer service definition - Type 10 elements (IEC 61158-5-10:2014) (english version)
Adjustable speed electrical power drive systems - Part 7-203: Generic interface and use of profiles for power drive systems - Profile type 3 specification— 185 стр.
Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Common specifications - Part 1: Medium Access Control (MAC) service definition— 24 стр.