1. Kubler-Ross, E., ?An Interview with Elizabeth Kubler-Ross,Psychology Today, Sept. 1976, 48?54; Moody, R. A.,Life After Life. Atlanta, Mockingbird Books, 1975, pp. 23?24.
2. Gallup, G.,Adventures in Immortality. New York, McGraw-Hill Book Co., 1982, pp. 198?201.
3. Ring, K.,Life at Death: A Scientific Investigation of the Near-Death Experience. New York, Coward, McCann and Geoghegan, 1980, pp. 33?34; Sabom, M.,Recollections of Death: A Medical Investigation. New York, Harper and Row, 1982, pp. 56?57.
4. op. cit., pp. 39?66; Sabom,op. cit., pp. 14?23.
5. Greyson, B., ?The Near-Death Experience Scale,? paper presented at the American Psychological Association annual convention, Washington, D. C., Aug. 1982; Ring,op. cit., pp. 32?34.