O’DONNELL, L. A. Preserving the Possibility of the Impossible. Cosmos and History: The Journal of Natural and Social Philosophy, [S. l.], v. 3, n. 1, p. 215–225, 2007. Disponível em: https://cosmosandhistory.org/index.php/journal/article/view/62. Acesso em: 3 jul. 2024.