@article{distalexplanationsforexplainable,
  title = {Distal Explanations for Model-free Explainable Reinforcement Learning},
  author = {Prashan Madumal and Tim Miller and Liz Sonenberg and Frank Vetere},
  year = {2020},
  eprint = {2001.10284},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2001.10284v2},
}