A comprehensive review of FAA's NextGen program : costs, benefits, progress, and management : hearing before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Twelfth Congress, first session, October 5, 2011.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.