U.S. Dept. of Transportation, Federal Aviation Administration, Information and Statistics Division, Office of Management Systems1959.<DK211-31>
国立国会図書館
U.S. Dept. of Transportation, Federal Aviation Administration, Information and Statistics Division, Office of Management Systems1959.<387.7-Uf29f>
国立国会図書館
U.S. Dept. of Transportation, Federal Aviation Administration, Office of Management Systems.19uu.<DT693-142>
国立国会図書館
- 件名Airports -- United States -- Statistics. Air traffic control -- United States -- Statistics.
Federal Aviation Agency, Office of Management Services.19uu.<387.7-Uf29e>
国立国会図書館
U.S. Dept. of Transportation, Federal Aviation Administration, Office of Management Systems, Information and Statistics Division19uu.<DT693-2>
国立国会図書館
- 件名...-- Statistics. Air traffic control -- United States -- Statistics. Airports -- United States -- ...