4Ranveig Kviseth Tinmannsvik,Jan Hovden.Safety diagnosis criteria--development and testing[J].Safety Science,2003,41:575 -590
5William G Johnson.MORT Safety Assurance Systems[M].New York:M.Dekker,1980
6Kjellén U.The SMORT method (Safety Management and Organisation Review Technique)[Z].Documentation for EEU Course:Safety Management,NTNU,Trondheim,Norway,1992