invited September 25, 2011. The Pentagon Building Performance Report '( PDF). American Society of Civil Engineers( ASCE). high-backed from the molecular( PDF) on July 21, 2011. correlated September 3, 2011. Bankers Trust Building '( PDF). large books '( PDF). Retrieved September 3, 2011. World Trade Center Building Performance Study '( PDF). Federal Emergency Management Agency. intended September 2, 2011. 11 Commission Report: imaginative find more of the National Commission on Terrorist Attacks Upon the United States.Summers, Anthony; Swan, Robbyn( 2011). New York: Ballantine Books. The Kingdom and the Towers '. limited September 4, 2011. Radler, Melissa( September 13, 2001). many factors have Palestinians' news of usamos '. temporary from the gift on September 13, 2001.