@inproceedings{ICAPS20paper5,
  title     = {On the Computational Complexity of Multi-Agent Pathfinding on Directed Graphs},
  author    = {Bernhard Nebel},
  booktitle = {Proceedings of the 30th International Conference on Automated Planning and Scheduling ({ICAPS})},
  publisher = {{AAAI} Press},
  pages     = {212--216},
  year      = {2020}
}