1. Flight investigation of cockpit-displayed traffic information utilizing coded symbology in an advanced operational environment (NASA Tech. Paper n. 1684).;Abbott,1980
2. Dual-task time-sharing using a projected attitude display (Tech. Rep. AD-A150789: NAMRL-1310).;Bellenkes,1984
3. Vision through interposed surfaces: Implications for vehicle control.;Benel,1980