@inproceedings{nttneuralmachinetranslationsystemsatwat1,
  title = {NTT Neural Machine Translation Systems at WAT 2019},
  author = {Makoto Morishita and Jun Suzuki and Masaaki Nagata},
  year = {2019},
  booktitle = {WS 2019 11},
  url = {https://aclanthology.org/D19-5211},
}