Bhaumik, D., A. Khalifa, M. Green, and J. Togelius. “Tree Search Versus Optimization Approaches for Map Generation”. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment, vol. 16, no. 1, Oct. 2020, pp. 24-30, https://ojs.aaai.org/index.php/AIIDE/article/view/7403.