@inproceedings{guindon-etal-1987-grammatical,
    title = "Grammatical and Ungrammatical Structures in User-Adviser Dialogues: Evidence for Sufficiency of Restricted Languages in Natural Language Interfaces to Advisory Systems",
    author = "Guindon, Raymonde  and
      Shuldberg, Kelly  and
      Conner, Joyce",
    booktitle = "25th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "1987",
    address = "Stanford, California, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/P87-1006/",
    doi = "10.3115/981175.981181",
    pages = "41--44"
}