Carlene M. Perry Kaber, D. B., Perry, C. M., Segall, N., & Sheik-Nainar, M. A. (2007). Workload state classification with automation during simulated air traffic control. INTERNATIONAL JOURNAL OF AVIATION PSYCHOLOGY, 17(4), 371–390. https://doi.org/10.1080/10508410701527860 Kaber, D. B., Perry, C. M., Segall, N., McClernon, C. K., & Prinzel, L. J., III. (2006). Situation awareness implications of adaptive automation for information processing in an air traffic control-related task. International Journal of Industrial Ergonomics, 36(5), 447–462. https://doi.org/10.1016/j.ergon.2006.01.008