CARDEÑA, Etzel. The Unbearable Fear of Psi: On Scientific Censorship in the 21st Century. Journal of Scientific Exploration, [S. l.], v. 29, n. 4, 2015. Disponível em: https://www.journalofscientificexploration.org/index.php/jse/article/view/955. Acesso em: 14 may. 2026.