Li, J., D. Harabor, P. J. Stuckey, A. Felner, H. Ma, and S. Koenig. “Disjoint Splitting for Multi-Agent Path Finding With Conflict-Based Search”. Proceedings of the International Conference on Automated Planning and Scheduling, vol. 29, no. 1, May 2021, pp. 279-83, https://ojs.aaai.org/index.php/ICAPS/article/view/3487.