@inproceedings{peng-etal-2020-mixture,
    title = "A Mixture of h - 1 Heads is Better than h Heads",
    author = "Peng, Hao  and
      Schwartz, Roy  and
      Li, Dianqi  and
      Smith, Noah A.",
    editor = "Jurafsky, Dan  and
      Chai, Joyce  and
      Schluter, Natalie  and
      Tetreault, Joel",
    booktitle = "Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2020",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/2020.acl-main.587/",
    doi = "10.18653/v1/2020.acl-main.587",
    pages = "6566--6577"
}