Contini S, Copelli S, Raboni M, Torretta V, Sala Cattaneo C, Rota R. IEC 61508: Effect of Test Policy on the Probability of Failure on Demand of Safety Instrumented Systems. Chemical Engineering Transactions [Internet]. 20Jul.2013 [cited 17Aug.2024];33:487-92. Available from: https://www.cetjournal.it/index.php/cet/article/view/CET1333082