Human Factors Society, The (1988) American National Standard for Human Factors Engineering of Visual Display Terminal Workstations The Human Factors Society Inc.
Wolfgang Jaschinski - Kruza (1988) Visual strain during VDU work. The effect of viewing distance and dark focus. Ergonomics, Vol. 31, No.10, 1449-1465
Hedge, Alan and Powers, James R (1995) Wrist postures while keyboarding. Effects of a negative slope keyboard system and full motion forearm supports. Ergonomics, Vol. 38, No, 3, 508-517