References
- The Royal National Institute for Deaf People (RNID), 1998, Deaf and Hard of Hearing People, June, 4.
- Hirst, M., Baldwin, S. and Jones, L., 1991, Text telecommunication for people who are deaf: assessing the use of a text-relay service. British Journal of Audiology, 25, 361 — 370.
- McLelland, I., 1990, Evaluation of Human Work: A Practical Ergonomics Methodology (London: Taylor and Francis).
- Norman, D.A., 1998, The Design of Everyday Things. (London: MIT Press).
- Grant, R. and Sandover, J., 1999, Contemporary Ergonomics. (London: Taylor and Francis).