REFERENCES
- Ostwald, P. F.: Soundmaking: The Acoustic Communication of Emotion. Springfield, Illinois, Charles C Thomas, 1963.
- Lanyon, W. E. and Ta Volga, W. N.: Animal Sounds and Communication. Washington, D. C., American Institute of Biological Sciences, 1960.
- Bullowa, M., Jones, L. G. and Duckert, A. R.: The acquisition of a word. Lang Speech 7:107–111, 1964.
- Slater, E., Beard, A. W. and Glithero, E.: The schizophrenialike psychoses of epilepsy (psychiatric aspects). Brit J Psychiat 109:95–150 (January) 1963.
- Luria, A. R.: Brain disorders and language analysis. Lang Speech 1:14–34, 1958.
- Spitz, R. A.: Hospitalism: An inquiry into the genesis of psychiatric conditions in early childhood. Psychoanal Stud Child 1:53–74, 1945.
- Harlow, H. F. and Harlow, M. K.: Social deprivation in monkeys. Sci Amer 207:136–146' (November) 1962.
- Ruesch, J.: Disturbed Communication. New York, W. W. Norton & Company, Inc., 1957.