@article{JMLR:v20:18-383,
  author  = {Steven M. Hill and Chris J. Oates and Duncan A. Blythe and Sach Mukherjee},
  title   = {Causal Learning via Manifold Regularization},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {127},
  pages   = {1--32},
  url     = {http://jmlr.org/papers/v20/18-383.html}
}