Lin, Fangzhen, and Mikhail Soutchanski. “Causal Theories of Actions Revisited”. Proceedings of the AAAI Conference on Artificial Intelligence 25, no. 1 (August 4, 2011): 235–240. Accessed May 28, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/7851.