HAYES, P. J.; FORD, K. M. Old Sins and New Confessions. AI Magazine, [S. l.], v. 20, n. 2, p. 128, 1999. DOI: 10.1609/aimag.v20i2.1462. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1462. Acesso em: 19 apr. 2024.