1. New York Media, Death, destruction, charity, salvation, war, money, real estate, spouses, babies, and other September 11 statistics, September 11 by numbers,2009
2. DAU hosts 9/11 first responder: challenges and logistics of responding to Pentagon terrorist attack—logistics preparedness;Gasiorek-Nelson,2002
3. MSNBC, China asks public for quake rescue equipment many of the thousands of troops sent to lend assistance lack equipment,2008
4. China View, China quake casualties remain unchanged,2008
5. Haiti earthquake: crisis and response;Taft-Morales,2010