24. Whiteman, J. H. "The Process of Separation and return in Experiences Fully Out of the Body," Proceedings of the Society for Psychical Research, 50:240—74, 1956.
25. Crookall, R. "Astral Projection." Light: A Journal of Psychic Studies, 194—200, 1970.
26. Tellegan, A., and Alkinson, G. "Openness to Absorbing abs Self-Altering Experiences ('Absorption'): A trait related to hypnotic susceptibility." ].
Abnormal Psychology, 53: 368—77, 1974.
27. EUsworth, R. B. Profile of Adaptation to Life Holistic Scale. Institute for Program Evaluation, P.O. Box 4654, Roanoke, Va. 24015, 1979.
28. Crookall, R. The Study and Practice of Astral Projection. New Hyde Park, N.Y.: University Books, Inc., 1960.
29. Stevenson, I., and Greyson, B. "Near-Death Experiences: Relevance to the Question of Survival After Death." J. A. M A, 243(3):165—67, 1979.
30. Tart, C. T. On Being Stoned: A Psychological Study of Marijuana Intoxication. Palo Alto: Science & Behavior Books, 1971.
31. Crookall, R. Out of the Body Experiences: A Fourth Analysis. New Hyde Park, N.Y.: University Books, Inc., 1970.
32. Maslow, A. H. Religions, Values and Peak Experiences. New York: The Viking Press, 1970.
33. James, W. The Varieties of Religious Experience. New York: Crowell-Collier, 1961.
34. Besant, A., and Leadbeater, C. W. Thought-forms. New York, London, and Benares: The Theosophical Publishing Society, 1905.
35. Palmer, J. "The Out-of-Body Experience: A Psychological Theory." Parapsychology Review, Sept.—Oct., 19—22, 1978.