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[56] AAAS symposium, Boston, 1969.
[57] R.A. Cellarius and Joh Piatt, Councils of Urgent Studies, Science, 25 August 1972, pp. 670-676.
[58] H.Kahn and J.Wiener. «Faustian powers and human choices». In W.R.Ewald, Jr. (Ed). Environment and Change. Indiana University Press, Bloomington, 1968.
[59]Le Chamanisme et les Tecniques Archaiques de L'Extase, by Mircea Eliade, Payot, Paris, 1951.
[60] Naranjo, op. cit.
[61]Civilization and Its Discontents, by Sigmund Freud, L. and Virginia Woolf at the Hogarth press /etc./, London, 1930.
[62]Kundalini, by Gopi Krishna, Shambala, Berkeley, CA, 1971.
[63]Escape from Freedom, by Erich Fromm, Holt, Rinehart and Winston, New York, 1941.
[64]The Sane Society, by Erich Fromm, Holt, Rinegart and Winston, New York, 1955.
[65]One Dimensional Man: Studies in the Ideology of Advanced Industrial Society, by Herbert Marcuse, Beacon Press, Boston, MA, 1964, 1968.
[66]Hallucinogens and Shamanism, by Claudio Naranjo, edited by Michael J. Harner, Oxford University Press, New York, 1973.
