Research on integration of visual and motion cues for flight simulation and ride quality investigation : final report NASA Grant NSG 22-009-701, June 1972 through February 1977, , Cambridge, Massachusetts Institute of Technology, Center for Space Research, Dept. of Aeronautics and Astronautics, Man-Vehicle Laboratory, pp. 80, 1977.
"A descriptive model of multi-sensor human spatial orientation with applications to visually induced sensations of motion,", AIAA Visual and Motion Simulation Conference, Palo Alto, CA, American Institute of Aeronautics and Astronautics, September 10-12,, 1973.
"Optimal Estimator Model for Human Spatial Orientation", Annals of the New York Academy of Sciences, vol. 545, no. December 26, 1988, pp. 51-73, December 26, 198, 1988.