Railway applications - Designation system for railway vehicles - Part 3: Designation of installation sites and locations; German version EN 15380-3:2006— 14 стр.
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)
Railway applications - Classification system for rail vehicles - Part 5: Systems; System groups - System requirements; German version prEN 15380-5:2011