References
- Bekey, G. A. The human operator as a sampled data system. Institute of Radio Engineers: Transactions on Human Factors in Electronics, 1962, 3, 43–51.
- Young, L. R., & Stark, L. Variable feedback experiments testing a sampled data model for eye tracking movements. Institute of Electrical and Electronic Engineers: Transactions on Human Factors in Electronics, 1963, 4, 38–51.