Railway applications - Track - Performance requirements for fastening systems - Part 4: Fastening systems for steel sleepers; German version prEN 13481-4:2010
Railway applications - Track - Performane requirements for fastening systems - Part 4: Fastening systems for steel sleepers; German version EN 13481-4:2012— 18 стр.
Railway applications - Track - Test methods for fastening systems - Part 4: Effect of repeated loading; German version EN 13146-4:2002 + A1:2006— 16 стр.