GOLUMBIC, M. C. 1999 Bar Illan Symposium on the Foundations of Artificial Intelligence. AI Magazine, [S. l.], v. 21, n. 1, p. 101, 2000. DOI: 10.1609/aimag.v21i1.1500. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/1500. Acesso em: 30 nov. 2020.