Pochter, Nir, Aviv Zohar, and Jeffrey Rosenschein. “Exploiting Problem Symmetries in State-Based Planners”. Proceedings of the AAAI Conference on Artificial Intelligence 25, no. 1 (August 4, 2011): 1004-1009. Accessed April 18, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/8014.