1. Bean J.C. (1955). Serial learning and conditioning under real-life stress. Journal of Abnormal Sociology 55 531.
2. Clark CC. (1981). Inner dialogue: a self-healing approach for nurses and clients. American Journal of Nursing 81 (6) 1191.
3. Clegg R.L. (1980). Mental vision imagery. Mimeographed material Medical College of Virginia Richmond pp. 1-6.
4. Cornish E. S. (1981). The futurist revolution in research. National Forum 61 (Winter) 6.
5. Cox T. (1978). Stress. Baltimore: University Park Press p. 18.