@inproceedings{kilbury-1987-proposal,
    title = "A Proposal for Modifications in the Formalism of {GPSG}",
    author = "Kilbury, James",
    editor = "Maegaard, Bente",
    booktitle = "Third Conference of the {E}uropean Chapter of the Association for Computational Linguistics",
    month = apr,
    year = "1987",
    address = "Copenhagen, Denmark",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/E87-1026/"
}