After the London attacks : what lessons have been learned to secure U.S. transit systems? : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Ninth Congress, first session, September 21, 2005.

Coverage: Washington : U.S. G.P.O. : 2006.

Volumes:

After the London attacks : what lessons have been learned to secure U.S. transit systems? : hearing before the Committee on Homeland Security and Governmental Affairs, United States Senate, One Hundred Ninth Congress, first session, September 21, 2005.