GEORGE, Chris; HAXTHAUSEN, Anne E. The Logic of the RAISE Specification Language. COMPUTING AND INFORMATICS, [S. l.], v. 22, n. 3-4, p. 323–350, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/459. Acesso em: 3 may. 2024.