@inproceedings{estrella-etal-2007-much,
    title = "How much data is needed for reliable {MT} evaluation? Using bootstrapping to study human and automatic metrics",
    author = "Estrella, Paula  and
      Hamon, Olivier  and
      Popescu-Belis, Andrei",
    editor = "Maegaard, Bente",
    booktitle = "Proceedings of Machine Translation Summit XI: Papers",
    month = sep # " 10-14",
    year = "2007",
    address = "Copenhagen, Denmark",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2007.mtsummit-papers.23/"
}