Harabor, Daniel, and Alban Grastien. “Online Graph Pruning for Pathfinding On Grid Maps”. Proceedings of the AAAI Conference on Artificial Intelligence 25, no. 1 (August 4, 2011): 1114-1119. Accessed April 25, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/7994.