CUSTRED, G. Psychical Research and the Outer Limits of Science. Cosmos and History: The Journal of Natural and Social Philosophy, [S. l.], v. 13, n. 2, p. 111–125, 2017. Disponível em: https://cosmosandhistory.org/index.php/journal/article/view/597. Acesso em: 8 dec. 2021.