HENSON, Martin C.; REEVES, Steve; BOWEN, Jonathan P. Z Logic and its Consequences. Computing and Informatics, [S. l.], v. 22, n. 3-4, p. 381–415, 2012. Disponível em: http://147.213.75.17/ojs/index.php/cai/article/view/461. Acesso em: 8 nov. 2024.