Air traffic control :
observations on FAA's air traffic control modernization program : statement for the record by Gerald L. Dillingham, Associate Director, Transportation Issues, Resources, Community and Economic Development Division, before the Subcommittee on Aviation, Committee on Commerce, Science and Transportation, U.S. Senate /
United States General Accounting Office.

APA Citation

Dillingham, G. Lee., United States. Congress. Senate. Committee on Commerce, S., United States. General Accounting Office. (1999). Air traffic control: observations on FAA's air traffic control modernization program : statement for the record by Gerald L. Dillingham, Associate Director, Transportation Issues, Resources, Community and Economic Development Division, before the Subcommittee on Aviation, Committee on Commerce, Science and Transportation, U.S. Senate. Washington, D.C. (P.O. Box 37050, Washington, D.C. 20013): The Office.

MLA Citation

Dillingham, Gerald Lee, 1947-, Science United States. Congress. Senate. Committee on Commerce, and United States. General Accounting Office. Air Traffic Control: Observations On FAA's Air Traffic Control Modernization Program : Statement for the Record by Gerald L. Dillingham, Associate Director, Transportation Issues, Resources, Community And Economic Development Division, Before the Subcommittee On Aviation, Committee On Commerce, Science And Transportation, U.S. Senate. Washington, D.C. (P.O. Box 37050, Washington, D.C. 20013): The Office, 1999.