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Code of federal regulations.

Washington, D.C. : Office of the Federal Register, National Archives and Records Service, General Services Administration : For sale by the Supt. of Docs., U.S. G.P.O.  

Future Federal Aviation Administration telecommunications plan "Fuchsia Book"

United States. Federal Aviation Administration.
Washington, D.C. : Telecommunications Management & Operations Division  

Code of federal regulations.

Washington : Office of the Federal Register, National Archives and Records Service, General Services Administration : For sale by the Supt. of Docs., U.S. G.P.O.  

Code of federal regulations.

Washington : Office of the Federal Register, National Archives and Records Service, General Services Administration : For sale by the Supt. of Docs., U.S. G.P.O.