@inproceedings{ingria-1990-limits,
    title = "The Limits of Unification",
    author = "Ingria, Robert J. P.",
    booktitle = "28th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1990",
    address = "Pittsburgh, Pennsylvania, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P90-1025/",
    doi = "10.3115/981823.981848",
    pages = "194--204"
}