@article{joshi-weischedel-1977-computation,
    title = "Computation of a Subclass of Inferences: Presupposition and Entailment",
    author = "Joshi, Aravind K.  and
      Weischedel, Ralph",
    editor = "Hays, David G.",
    journal = "American Journal of Computational Linguistics",
    month = feb,
    year = "1977",
    note = "Microfiche 63",
    url = "https://preview.aclanthology.org/fix-sig-urls/J77-1008/",
    pages = "1--54"
}