1. Red Cross (2005): World Disaster Report, Chapter — 2, Red Cross, Geneva (2005).
2. National Steering Committee on Public Warning and Information — NSCPWI: Third interim report, UK (2003).
3. The role of unofficial flood warning system;Parker;Journal of contingencies and crisis management,1998
4. Hazard warning systems: Review of 20 years of progress;Sorensen;Natural Hazards Review,2000
5. Victoria State Emergency Service: Review of SES Role in Flood Warning, Technical report, Victoria State Emergency services (2007).