1. Bixler, E. O., Kales, A., Leo, L. A., & Slye, T. A comparison of subjective estimates and objective sleep laboratory findings in insomniac patients. In M. H. Chase, W. C. Stern, & P. L. Walter (Eds.),Sleep research (Vol. 2). University of California, Los Angeles: Brain Information Service/Brain Research Institute, 1973, P. 143.
2. Bootzin, R. R.Stimulus control treatment for insomnia. Paper presented at the 80th Annual Conference of the American Psychological Association, Honolulu, Hawaii, 1972.
3. Budzynski, T. H. Biofeedback procedures in the clinic.Seminars in Psychiatry 1973,5 4.
4. Carskadon, M. A., Dement, W. C., Mitler, M. N., Guilleminault, C., Zarcone, V. P., & Spiegel, R. Self-reports versus sleep laboratory findings in 122 drug-free subjects with complaints of chronic insomnia.American Journal of Psychiatry 1976,133 12.
5. Dunlop, D.British Medical Bulletin 1970,26 236.