Natural and Environmental Disaster Information Exchange System European Commission NEDIES, Forces of Nature: TQ 2000, Glossary (definitions of important terms related to forces of nature), Directorate General Joint Research Centre DG JRC, Institute for the Protection and Security of the Citizen (IPSC), Varese, Italy 2012. http://library.thinkquest.org/C003603/english/glos sary.shtml, (ND/ Gen - Brit) {154}
Forces of Nature: TQ2000 - Severe Storms: Glossary, USA 2012. http://library.thinkquest.org/C003603/english/seve restorms/glossary.shtml?tqskip1=1, (ND/ Severe Storm - Amer) {73}