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2. National Infrastructure Protection Plan: Partnering for Critical Infrastructure Security and Resilience. Washington, DC: U.S. Department of Homeland Security; 2013.
3. Quantitative evaluation of the synergistic effects of failures in a critical infrastructure system;Rehak;Int J Crit Infrastruct Prot,2016
4. Proposal for a Directive of the European Parliament and of the Council on the Resilience of Critical Entities (COM/2020/829 final). Brussels: Council of the European Union; 2020.
5. Presidential Policy Directive -- Critical infrastructure security and resilience (PPD-21). Washington, DC: The White House; 2013.