SEGERBERG, K. A festival of facts. Logic and Logical Philosophy, [S. l.], n. 2, p. 7–22, 2003. DOI: 10.12775/LLP.1994.001. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.1994.001. Acesso em: 29 mar. 2024.