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| 1993 | ||
|---|---|---|
| 2 | S. D. Douglas, A. J. Happ: Evaluating Performance, Discomfort, and Subjective Preference between Computer Keyboard Designs. HCI (2) 1993: 1064-1069 | |
| 1 | S. Fullerton, A. J. Happ: A User-Oriented Test of Icons in an Educational Software Product. HCI (2) 1993: 44-49 | |
| 1 | S. D. Douglas | [2] |
| 2 | S. Fullerton | [1] |