1. Methodological criticisms of parapsychology;Akers,1984
2. Parapsychology: Science or magic?;Alcock,1981
3. Science and supernature;Alcock,1990
4. The ganzfeld/psi experiment: A critical appraisal;Hyman;Journal of Parapsychology,1985
5. A joint communique: The psi ganzfeld controversy;Hyman;Journal of Parapsychology,1986