RICE, M.; TSOTRAS, V. Bidirectional A* Search with Additive Approximation Bounds. Proceedings of the International Symposium on Combinatorial Search, [S. l.], v. 3, n. 1, p. 80-87, 2021. DOI: 10.1609/socs.v3i1.18235. Disponível em: https://ojs.aaai.org/index.php/SOCS/article/view/18235. Acesso em: 2 may. 2026.