Oversight of the National Telecommunications and Information Administration and innovations in interoperability [electronic resource] : hearing before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Tenth Congress, first session, March 22, 2007.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.