@article{weischedel-sondheimer-1983-meta,
    title = "Meta-rules as a Basis for Processing Ill-Formed input",
    author = "Weischedel, Ralph M.  and
      Sondheimer, Norman K.",
    journal = "American Journal of Computational Linguistics",
    volume = "9",
    number = "3-4",
    year = "1983",
    url = "https://aclanthology.org/J83-3003/",
    pages = "161--177"
}