@inproceedings{elhadad-1990-types,
    title = "Types in Functional Unification Grammars",
    author = "Elhadad, Michael",
    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/P90-1020/",
    doi = "10.3115/981823.981843",
    pages = "157--164"
}