Rutledge et al., "Force-to-Motion Functions for Pointing," Proc. of the IFIP TC 13 Third International Conference on Human-Computer Interaction, pp. 701-706, 1990. |
Reinhardt, Andrew "Touch-and-Feel Interfaces," BYTE, pp. 223-226, 1991. |
Card et al. "Evaluation of Mouse, Rate-Controlled Isometric Joystick, Step Keys, and Text Keys for Text Selection on a CRT," ERGONOMICS, vol. 21, No. 8, pp. 601-613, 1978. |
Bennett, Jr., et al. "Cursor Movement Control Circuitry," IBM Technical Disclosure Bulletin, vol. 21, No. 3, pp. 1184-1186, 1978. |