@article{gazdar-etal-1988-category,
    title = "Category Structures",
    author = "Gazdar, Gerald  and
      Pullum, Geoffrey K.  and
      Carpenter, Robert  and
      Klein, Ewan  and
      Hukari, Thomas E.  and
      Levine, Robert D.",
    journal = "Computational Linguistics",
    volume = "14",
    number = "1",
    year = "1988",
    url = "https://preview.aclanthology.org/Ingest-2025-COMPUTEL/J88-1001/",
    pages = "1--19"
}