KAHLE, R. Structured belief bases. Logic and Logical Philosophy, [S. l.], v. 10, n. 10, p. 45–58, 2004. DOI: 10.12775/LLP.2002.003. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2002.003. Acesso em: 27 apr. 2024.