F. C. S. et al.,  "Measurement of safety social norms at organizations: Construct validation of a safety social norms survey", in Advances in Safety, Reliability and Risk Management. Proc. of the European Safety and Reliability Conf., ESREL 2011, Berenguer, C., Grall, A., and Soares, C. G., Ed., Troyes, Taylor & Francis Group, 2012, pp. 1203-1210