1. The Measurement of Subjective Responses;Beecher,1959
2. Cosh, P.: Lecture Notes to Physiotherapy Students, 1963.
3. Conditioning Techniques in Clinical Practice and Research;Franks,1965
4. “Pain as a Puzzle for Psychology and Physiology”;Hilgard;American Psychologist,1969
5. Progressive Relaxation;Jacobson,1938