@inproceedings{lee-lee-2009-realistic,
    title = "Realistic Grammar Error Simulation using {M}arkov {L}ogic",
    author = "Lee, Sungjin  and
      Lee, Gary Geunbae",
    editor = "Su, Keh-Yih  and
      Su, Jian  and
      Wiebe, Janyce  and
      Li, Haizhou",
    booktitle = "Proceedings of the {ACL}-{IJCNLP} 2009 Conference Short Papers",
    month = aug,
    year = "2009",
    address = "Suntec, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P09-2021/",
    pages = "81--84"
}