BREDEWEG, B.; STRUSS, P. Current Topics in Qualitative Reasoning. AI Magazine, [S. l.], v. 24, n. 4, p. 13, 2003. DOI: 10.1609/aimag.v24i4.1727. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1727. Acesso em: 20 apr. 2024.