FAA reauthorization [electronic resource] : NextGen and the benefits of modernization : hearing before the Subcommittee on Aviation Operations, Safety, and Security of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, first session, March 25, 2009
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2010.