1. Managerial factors related to safety program effectiveness: an update on the Minnesota perception survey;Bailey;Professional Safety,1997
2. Using safety surveys to assess safety system effectiveness;Bailey;Professional Safety,1989
3. Quality theory and the measurement of safety systems;Carder;Professional Safety,1994
4. Safety climate;Coyle;Journal of Safety Research,1995
5. Out of the crisis;Deming,1982