CIAMPOLINI, A.; LAMMA, El; STEFANELLI, C.; MELLO, P. Blackboard- and Object-Based Systems via Multi-Head Clauses. COMPUTING AND INFORMATICS, [S. l.], v. 16, n. 4, p. 401–423, 2012. Disponível em: https://www.cai.sk/ojs/index.php/cai/article/view/655. Acesso em: 8 may. 2024.