I. Herrera, S. Håbrekke, T. Kråkenes, and P. R. Hokstad, Helicopter Safety Study 3, 2010.

. Delutredning-nr, 2: Utviklingstrekk, målsettinger, risikoinfluerende faktorer og prioriterte tiltak, Ministry of Transport, 2002.

E. Hollnagel, D. Woods, and N. Leveson, Resilience Engineering: Concepts and precepts, Ashgate, 2006.
URL : https://hal.archives-ouvertes.fr/hal-00572766

E. Hollnagel, Barriers and accident prevention, 2004.

A. Hale, Special Issue on Process Safety Indicators, Safety Science, vol.47, issue.4, pp.459-510, 2009.
DOI : 10.1016/j.ssci.2008.07.016

I. A. Herrera and R. Woltjer, Comparing a multi-linear (STEP) and systemic (FRAM) method for accident analysis. Safety, Reliability and Risk Analysis: Theory, Methods and Applications, Proceedings of the European Safety and Reliability Association Annual Conference (ESREL), pp.19-26, 2008.

R. K. Tinmannsvik, Ytelsesindikatorer for flysikkerhet -noen resultater fra svensk luftfart " , (Performance based indicators for flight safety -some results from Swedish aviation) SINTEF, 2005.

I. A. Herrera, A. O. Nordskag, G. Myhre, and K. Halvorsen, Aviation safety and maintenance under major organizational changes, investigating non-existing accidents, Accident Analysis & Prevention, vol.41, issue.6, pp.1155-1163, 2009.
DOI : 10.1016/j.aap.2008.06.007