@inproceedings{birch-etal-2006-constraining,
    title = "Constraining the Phrase-Based, Joint Probability Statistical Translation Model",
    author = "Birch, Alexandra  and
      Callison-Burch, Chris  and
      Osborne, Miles  and
      Koehn, Philipp",
    editor = "Koehn, Philipp  and
      Monz, Christof",
    booktitle = "Proceedings on the Workshop on Statistical Machine Translation",
    month = jun,
    year = "2006",
    address = "New York City",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W06-3123/",
    pages = "154--157"
}