1. “American Standard for Human Factors Engineering of Visual Display Terminal Workstations”The Human Factors Society Bulletin (ANSI/HFS 100–1988), Santa Monica, California, Februarys 1988.
2. American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)Handbook of Fundamentals. New York, 1972.
3. Human Factors Principles for Keyboard Design and Operation—A Summary Review;Alden,1970
4. Visual Presentation of Information;Baker,1954
5. Human Performance Engineering: A Guide for System Designers;Bailey,1982