V. Schweizer, J. Juskowiak, F. Jakob, M. Bartholdt, P. Zeiler, and B. Bertsche. Safety, reliability and risk analysis: beyond the horizon : proceedings of the European Safety and Reliability Conference, Esrel 2013, Amsterdam, the Netherlands, 29 September - 2 October 2013, page 3029-3035. CRC Press, (2013)