Escolà-Gascón, Á.; Gallifa-Roca, J. Are UFOs Ghosts? Analysis about the Psychosocial Conception of Beliefs in Extraterrestrial Beings and Paranormal Phenomena: CEU-28’s Statistical Justification. Apunt. Psic. 2019, 37 (3), 233-243. https://doi.org/10.55414/bryaxm89.