HARABOR, D.; BOTEA, A. Breaking Path Symmetries on 4-Connected Grid Maps. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, [S. l.], v. 6, n. 1, p. 33-38, 2010. Disponível em: https://ojs.aaai.org/index.php/AIIDE/article/view/12393. Acesso em: 27 sep. 2022.