THAYER, J.; RUML, W. Using Distance Estimates in Heuristic Search. Proceedings of the International Conference on Automated Planning and Scheduling, [S. l.], v. 19, n. 1, p. 382-385, 2009. DOI: 10.1609/icaps.v19i1.13390. Disponível em: https://ojs.aaai.org/index.php/ICAPS/article/view/13390. Acesso em: 24 may. 2024.