@inproceedings{therwthaachenuniversitysupervisedmachine,
  title = {The RWTH Aachen University Supervised Machine Translation Systems for WMT 2018},
  author = {Julian Schamper and Jan Rosendahl and Parnia Bahar and Yunsu Kim and Arne Nix and Hermann Ney},
  year = {2018},
  booktitle = {WS 2018 10},
  url = {https://aclanthology.org/W18-6426},
}