00357nas a2200145 4500000000100000000000100001008004100002260001900043100002000062700001500082700002600097700001800123245006000141300001000201 2017 d bSpringeraCham1 aAdrian Gheorghe1 aDan Vamanu1 aPolinpapilinho Katina1 aRoland Pulfer00aCritical Infrastructures, Key Resources, and Key Assets a3-37