Industrial systems, installations and equipment and industrial products - Structuring principles and reference designations - Part 2: Classification of objects and codes for classes (IEC 81346-2:2009) (english version)
Electronic railway equipment - Train communication network (TCN) - Part 2-3: TCN communication profile (IEC 61375-2-3:2015 + COR1:2015 + COR2:2016); English version EN 61375-2-3:2015 + AC:2016-01 + AC:2016-11— 305 стр.