@inproceedings{joshi-etal-1989-natural,
    title = "Natural Language Research",
    author = "Joshi, Aravind  and
      Marcus, Mitch  and
      Steedman, Mark  and
      Webber, Bonnie",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Philadelphia, {P}ennsylvania, {F}ebruary 21-23, 1989",
    year = "1989",
    url = "https://aclanthology.org/H89-1035/"
}