Baron, Nicholas, and Markus Eger. “Observer Rules for Box-Split Grammars”. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment 19, no. 1 (October 6, 2023): 195-202. Accessed June 30, 2024. https://ojs.aaai.org/index.php/AIIDE/article/view/27515.