1. The Unix time sharing system;RITCHIE;Commnications of the ACM,1974
2. The functional structure of OS/360;MEALY;IBM Systems Journal,1966
3. The QWERTY keyboard: a review;NOYES;International Journal of Man–Machine Studies,1983
4. Data entry devices and procedures;SEIBEL,1972
5. Ergonomic aspects of aircraft keyboard design: the effects of gloves and sensory feedback on keying performance;TAYLOR;Ergonomics,1982