MISIUNA, K. A modal logic of information. Logic and Logical Philosophy, [S. l.], v. 21, n. 1, p. 33–51, 2012. DOI: 10.12775/LLP.2012.003. Disponível em: https://apcz.umk.pl/LLP/article/view/LLP.2012.003. Acesso em: 4 feb. 2023.