REFERENCES
- Goldfarb, W., & Braunstein P. (1958). Reactions to delayed audi-tory feedback in schizophrenic children. In P. H. Hock & J. Zubin (Eds.), Psychopathology of communication. New York: Grune & Stratton.
- Grove, N. (1990). Developing intelligible signs with learning-dis-abled students: A review of the literature and an assessment procedure. British Journal of Disorders of Communication, 25, 265–293.
- Johnson, J. (1989). Comment on terminology. Augmentative and Alternative Communication, 5,74.
- Leonhard, K. (1979). ldeokinetic aphasia and related disorders. In Y. Lebrun & R. Hoops (Eds.), Problems of aphasia: Neuro-linguistics (Vol. 9). Amsterdam: Swets & Zeitlinger.
- Lindblom, B. (1990). On the communication process: Speaker-lis-tener interaction and the development of speech. Augmenta-tive and Alternative Communication, 6,220–230.
- Lloyd, L. L., & Kangas, K. A. (1990). AAC terminology policy and issues update. Augmentative and Alternative Communication, 6,167–170.
- Lloyd, L. L., Quist, R. W., & Windsor, J. (1990). A proposed augmentative and alternative communication model. Augmen-tative and Alternative Communication, 6,172–183.
- Luria, A. R. (1973). The working brain: An introduction to neuro-psychology. Harmondsworth, Middlesex: Penguin.
- Van Riper, C. (1971). The nature of stuttering. Englewood Cliffs: Prentice-Hall.