PARSONS, S. A Review of Nonmonotonic Reasoning. AI Magazine, [S. l.], v. 20, n. 3, p. 90, 1999. DOI: 10.1609/aimag.v20i3.1471. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1471. Acesso em: 18 apr. 2024.