1. Roger Hugh Stephen Carpenter. 1988. Movement of the Eyes 2nd Edition Revised and Enlarged. Roger Hugh Stephen Carpenter. 1988. Movement of the Eyes 2nd Edition Revised and Enlarged.
2. Gaze+Gesture
3. Heiko Drewes. 2010a. Eye Gaze Tracking for Human Computer Interaction. https://edoc.ub.uni-muenchen.de/11591/. (2010). (accessed 2018-1-26). Heiko Drewes. 2010a. Eye Gaze Tracking for Human Computer Interaction. https://edoc.ub.uni-muenchen.de/11591/. (2010). (accessed 2018-1-26).
4. Only one Fitts' law formula please!
5. Orbits