A.  Felner, Li, J., Boyarski, E., Ma, H., Cohen, L., Kumar, T. K. Satish, and Keonig, S., ?Adding Heuristics to Conflict-Based Search for Multi-Agent Pathfinding?, in International Conference on Automated Planning and Scheduling (ICAPS), 2018.

H.  Ma and Koenig, S., ?AI Buzzwords Explained: Multi-Agent Path Finding (MAPF)?, AI Matters, vol. 3, no. 3, pp. 15?19, 2017.