Liu, Vincent, Raksha Kumaraswamy, Lei Le, and Martha White. “The Utility of Sparse Representations for Control in Reinforcement Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 4384-4391. Accessed December 5, 2022. https://ojs.aaai.org/index.php/AAAI/article/view/4349.