1. Evaluation of mouse, rate-controlled isometric joystick, step keys, and text keys for text selection on a CRT;Card;Ergonomics,1978
2. The Psychology of Human-Computer Interaction;Card,1983
3. Presentation and form in user interface architecture;Carroll;IBM Research Report, RC 10144,1983
4. Cognitive Aspects of Skilled Typewriting;Cooper,1983
5. Human Problem Solving;Newell,1972