1. Department of Homeland Security 2004 National Response Plan www.dhs.gov/nrp
2. Making the Business Case for Water Security and Preparedness;Roberson;J. AWWA,2007
3. Department of Homeland Security 2006 National Infrastructure Protection Plan www.dhs.gov/nipp
4. A Vision and Direction for Water Sector Security and Preparedness Initiative;Morley;J. AWWA,2007
5. Water Security: Shifting to an All-Hazards Resiliency Approach;Roberson;J. AWWA,2006