1. Hermann, D.Software Safety and Reliability. 1999: IEEE Computer Society Press.
2. 61508 - Functional Safety of Electrical / Electronic / Programmable Electronic Safety-Related Systems, International Electrotechnical Commission (IEC), 1999.
3. EN 50128 - Railway applications: software for railway control and protection systems, CENELEC, 2001.
4. Software Considerations in Airborne Systems and Equipment Certification, Radio Technical Commission for Aeronautics RTCA DO-178B/EUROCAE ED-12B, 1993.
5. Safety Management Requirements for Defence Systems, Def Stan 00-56, UK Ministry of Defence, Issue 2, 1996.