1. Safety: Looking ahead;Aarons;Business and Commercial Aviation,1992
2. Fusion of synthetic and enhanced vision for all-weather commercial aviation operations;Bailey;NATO-OTAN,2007
3. Berglund, A., Tyseng, M., Westin, C., Nisser, T., & Hilburn, B. (2007). UAVs in civil airspace: Toward a human-centered concept of autonomous flight operations. Presentation at the 2007 Human Factors of UAVs Workshop, Mesa, AZ.
4. Beringer, D., & Ball, J. (2001). General aviation pilot visual perfromance using conformal and non-conformal head-up and head-down highway -in-the-sky displays. Proceedings of the international symposium on aviation psychology. Columbus, OH: The Department of Aerospace Engineering, Applied Mechanics and Aviation, The Ohio State University.
5. Boff, K., & Lincoln, J. (1988). Guidelines for designing auditory signals. In: Engineering data compendium: Human perception and performance. Wright Patterson AFB, OH.