DELAVAR, A. .; MIRZA EBRAHIM TEHRANI, M. .; ALIZADEH, S. S. . Layers of protection analysis to achieve safety integrity level (SIL), Case study: Hydrogen unit of refinery. Scientific Journal of Pure and Applied Sciences, [S. l.], v. 5, n. 11, p. 515-523, 2016. Disponível em: http://www.sjournals.com/index.php/sjpas/article/view/168. Acesso em: 29 mar. 2024.