@inproceedings{therwthaachenuniversityenglishgermanand,
  title = {The RWTH Aachen University English-German and German-English Unsupervised Neural Machine Translation Systems for WMT 2018},
  author = {Miguel Gra{\c{c}}a and Yunsu Kim and Julian Schamper and Jiahui Geng and Hermann Ney},
  year = {2018},
  booktitle = {WS 2018 10},
  url = {https://aclanthology.org/W18-6409},
}