Reuters «Telepathy gets academic in Sweden». CNN, 05-09-2003 [Consulta: 9 març 2009]. «Despite decades of experimental research ... there is still no proof that gifts such as telepathy and the ability to see the future exist, mainstream scientists say.»
doi.org
dx.doi.org
Bunge, Mario «A skeptic's beliefs and disbeliefs». New Ideas in Psychology, 9, 2, 1991, p. 131–149. DOI: 10.1016/0732-118X(91)90017-G.
Blitz, David «The line of demarcation between science and nonscience: The case of psychoanalysis and parapsychology». New Ideas in Psychology, 9, 2, 1991, p. 163–170. DOI: 10.1016/0732-118X(91)90020-M.