@inproceedings{luo-2021-attention,
    title = "Have Attention Heads in {BERT} Learned Constituency Grammar?",
    author = "Luo, Ziyang",
    editor = "Sorodoc, Ionut-Teodor  and
      Sushil, Madhumita  and
      Takmaz, Ece  and
      Agirre, Eneko",
    booktitle = "Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Student Research Workshop",
    month = apr,
    year = "2021",
    address = "Online",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/jlcl-multiple-ingestion/2021.eacl-srw.2/",
    doi = "10.18653/v1/2021.eacl-srw.2",
    pages = "8--15"
}