Metra : The Service Board of the RTA responsible for the day-to-day operations and planning for the commuter rail system serving the northeastern Illinois region
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}