@InProceedings{edunov-EtAl:2018:EMNLP,
  author    = {Edunov, Sergey  and  Ott, Myle  and  Auli, Michael  and  Grangier, David},
  title     = {Understanding Back-Translation at Scale},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {489--500},
  url       = {http://www.aclweb.org/anthology/D18-1045}
}