References
- Aiello, S. C. (1980) Non Oral Communications Survey. A One-County Needs Assessment and Demographic Study. Unpublished educa-tional study. Plavan School Foundation Valley, CA.
- Australian Bureau of Statistics (1986). Australian Demographic Stafis-tics. A.B.S. Publisher. Canberra, A. C. T.
- Fristoe, M., & Lloyd, L. L. (1978). A survey of the use of nonspeech systems with severely communication impaired. Mental Retarda-tion, 16, 99–103.
- Intellectually Disabled Persons Services Act 1986: Victorian State Parliament.
- Jones, L., Reid, B., Kiernan, C., & Coram, T. (1982). Signs and Symbols: The 1980 Survey. Special Education, Forward Trends, 9, 34–37.
- Kiernan, C., & Reid, B. (1984). The use of augmentative communi-cation systems in schools and units of autistic and aphasic children in the United Kingdom. British Journal of Disorders of Communi-cation, 19, 47–61.
- Kieman, C., Reid, B., & Jones, L. (1979). Signs and Symbols. Who Uses What? Special Education, Forward Trends, 6, 32–34.
- Lindsay, P. H., Cambria, R. J., McNaughton, S., & Warrick, H. A. (1986). The Educational Needs of Nonspeaking Students and Their Teachers. Paper presented at the IVth ISAAC. Conference, Cardiff, Wales.
- Matas, J. A., Mathy-Laikko, P., Beukelman, D. R., & Legresley, K. (1985). Identifying the nonspeaking population: A demographic study. Alternative and Augmentative Communication, 1, 17–31.
- Musselwhite, C. R. & St. Louis, K. W. (1982). Communication Pro-gramming for the Severely Handicapped: Vocal and Non-vocal Strategies. San Diego: College-Hill Press.
- Reid, B., Jones, L., & Kiernan, C. (1983). Signs and Symbols: The 1982 Survey of Use. Special Education, Forward Trends, 10, 27–28.
- Report of the Ministerial Review of Educational Services for the Disabled (1984). Integration in Victorian Education. Education De-partment, Melbourne, Victoria, Australia.
- Thomson, I. (1988). Personal communication, March 21, 1988.