ETHERINGTON, D. AAAI Workshop on Nonmonotonic Reasoning. AI Magazine, [S. l.], v. 6, n. 2, p. 92, 1985. DOI: 10.1609/aimag.v6i2.486. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/486. Acesso em: 24 apr. 2024.