Luke, David ORCID: 0000-0003-2141-2453 and Friedman, Harris (2009) The speculated neurochemistry of psi and associated processes. In: Krippner, Stanley and Friedman, Harris. L., (eds.) Mysterious Minds: The Neurobiology of Psychics, Mediums and Other Extraordinary People. Praeger Publishers, Westport, CT, USA, pp. 163-185. ISBN 9780313358661