@article{sgdwithhardnessweightedsamplingfor,
  title = {SGD with Hardness Weighted Sampling for Distributionally Robust Deep Learning},
  author = {Lucas Fidon and Sebastien Ourselin and Tom Vercauteren},
  year = {2019},
  url = {https://openreview.net/forum?id=SyglyANFDr},
}