Analysis of information sources in references of the Wikipedia article "Parapsicologia" in Portuguese language version.
About this book, from the author in 1964. This is the book that started all the hullabaloo that for more than twenty-five years has been going on around the world over the subject of ESP, or extrasensory perception, and related topics. Its publication in 1934 started the movement that has brought parapsychology in to the university laboratories in various countries and is leading to its acceptance as a proper branch of science, slow and irregular tough this later development is in some countries specially
In conclusion, parapsychology is a pseudoscience paragon.