OSBORN, J.; RYAN, J.; MATEAS, M. Analyzing Expressionist Grammars by Reduction to Symbolic Visibly Pushdown Automata. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, [S. l.], v. 13, n. 2, p. 216-224, 2021. DOI: 10.1609/aiide.v13i2.13001. Disponível em: https://ojs.aaai.org/index.php/AIIDE/article/view/13001. Acesso em: 23 may. 2024.