Author
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Timmons, Elizabeth Jean,
1
Trabuco Ranger District (Calif.),
1
U. S. Federal Aviation Agency. Flight Standards Service
1
U.S. Army Research Institute for the Behavioral and Social Sciences. Rotary-Wing Aviation Research Unit,
1
United States. Air Force. Air Research and Development Command,
1
United States. Congress. House. Committee on Armed Services,
1
United States. Congress. House. Committee on Armed Services. Subcommittee on Readiness,
1
United States. Congress. House. Committee on Government Operations,
1
United States. Congress. House. Committee on Science and Technology. Subcommittee on Investigations and Oversight,
1
United States. Congress. Senate. Committee on Armed Services. Subcommittee on Manpower and Personnel,
1
United States. Congressional Budget Office,
1
United States. Federal Aviation Agency
1
United States. Forest Service,
1
United States. Marine Corps,
1
University of Illinois (Urbana-Champaign campus). Aviation Psychology Laboratory,
1