@inproceedings{kasper-1987-unification,
    title = "A Unification Method for Disjunctive Feature Descriptions",
    author = "Kasper, Robert T.",
    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/P87-1033/",
    doi = "10.3115/981175.981208",
    pages = "235--242"
}