1. Allen, J., 1978, An approach to reading machine design. Human Factors, 20, (3): 287 – 293.
2. Amchin, J., Leflar, R., 1979, Hazards of intraocular lenses. Washington, D.C.: Health Research Group.
3. Berliner, K., 1978, Cochlear implants. Paper presented before the Texan Speech and Hearing Association. San Antonio, Texas.
4. Bilger, R. C., 1977, Psychoacoustic evaluation of present prostheses. Annals of Otology, Thinology, and Laryngology, Suppl. 38, 86: 92 – 140.
5. Block, R., Boerger, G., 1980, Horverbessernde verfahren mit bandbreitenkompression. Acustica, 45: 294 – 303.