LACY, M. Review of Alternate Realities: Mathematical Models of Nature and Man. AI Magazine, [S. l.], v. 11, n. 2, p. 78, 1990. DOI: 10.1609/aimag.v11i2.836. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/836. Acesso em: 20 apr. 2024.