Site References

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Beloff, J. (1993) Parapsychology: a concise history. London: The Athlone Press


Broughton, R., S. (1991) Parapsychology: the controversial science. New York:
         Ballantine Books


Burt, C. (1975) ESP and psychology. London: Wiedenfeld and Nicolson


Roberts, R. & Groom, D. (2001) Parapsychology: the science of unusual
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London: Arnold Publishers


Microsoft Encarta Reference Library 2002