1. E. Bajusz, Physiology and Pathology of Adaptation Mechanisms. Pergamon Press, Oxford 1969.
2. D. Kanellakos and J.S. Lukas, in: The Psychobiology of Transcendental Meditation, p. 17. Benjamin, Menlo Park 1974.
3. R.K. Wallace, H. Benson and A.F. Wilson, Am. J. Physiol.221, 795 (1971).
4. R. Jevning, R. Smith and A.F. Wilson, Am. J. Physiol., in press.
5. R.R. Michaels, M.J. Huber and D.S. McCann, Science192, 1242 (1976).