Railway applications. The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Guide to the application of EN 50126-1 for safety— 134 стр.
Functional safety of electrical/electronic/programmable electronic safety-related systems - Part 1: General requirements (see <a href="http://www.iec.ch/functionalsafety">Functional Safety and IEC 61508</a>)— 127 стр.
Railway applications. The specification and demonstration of reliability, availability, maintainability and safety (RAMS). Basic requirements and generic process— 74 стр.