1. Sørensen, J. N., Apostolakis, G. E., Kress, T. S., and Powers, D. A. “On the Role of Defense in Depth in Risk-Informed Regulation”. In: Proceedings of the PSA ’99, 1999.
2. NRC, US. “Causes and Significance of Design Basis Issues at US Nuclear Power Plants“. Draft Report, Washington, DC: US Nuclear Regulatory Commission, Office of Nuclear Regulatory Research, 2000.
3. “Highlights from the literature on accident causation and system safety: Review of major ideas, recent contributions, and challenges.”;Saleh;Reliability Engineering & System Safety,2010
4. “Risk management in a dynamic society: a modeling problem”;Rasmussen;Safety Science,1997
5. “Graphic representation of accident scenarios: mapping system structure and the causation of accidents”;Svedung;Safety Science,2002