@inproceedings{popovic-castilho-2019-challenge,
    title = "Challenge Test Sets for {MT} Evaluation",
    author = "Popovi{\'c}, Maja  and
      Castilho, Sheila",
    editor = "Rossi, Laura",
    booktitle = "Proceedings of Machine Translation Summit XVII: Tutorial Abstracts",
    month = aug,
    year = "2019",
    address = "Dublin, Ireland",
    publisher = "European Association for Machine Translation",
    url = "https://preview.aclanthology.org/fix-sig-urls/W19-7602/"
}