Comparison of information display concepts for landing of VTOL aircraft /
by William Gracey.
APA Citation
Gracey, W., Langley Research Center., United States. National Aeronautics and Space Administration. (1968). Comparison of information display concepts for landing of VTOL aircraft. Washington, D.C.: National Aeronautics and Space Administration.
MLA Citation
Gracey, William, Langley Research Center, and United States. National Aeronautics and Space Administration. Comparison of Information Display Concepts for Landing of VTOL Aircraft. Washington, D.C.: National Aeronautics and Space Administration, 1968.
Warning: These citations may not always be complete (especially for serials).