@article{hoyer2008nonlinear,
  title={Nonlinear causal discovery with additive noise models},
  author={Hoyer, Patrik and Janzing, Dominik and Mooij, Joris M and Peters, Jonas and Sch{\"o}lkopf, Bernhard},
  journal={Advances in neural information processing systems},
  volume={21},
  year={2008},
  url={https://papers.nips.cc/paper/2008/hash/f7664060cc52bc6f3d620bcedc94a4b6-Abstract.html}
}
