1. EN 50126-1: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 1: Basic requirements and generic process, September 1999
2. CLC/TR 50126-2: Railway applications - The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Part 2: Guide to the application of EN 50126–1 for safety, February 2007
3. IEC 61508: Functional safety of electrical/electronic/programmable electronic safety-related systems, May 2010
4. ISO 26262: Road vehicles - Functional safety, November 2011
5. Bepperling, S.L., Fermaud, C.: Risikoanalyse für den Stellwerksersatz der Hafenbahn Schweiz AG. SIGNAL + DRAHT Ausgabe 07+08/2015, 18–21 (7+8 2015)