@inproceedings{pereira-1991-finite,
    title = "Finite-State Approximation of Phrase Structure Grammars",
    author = "Pereira, Fernando C. N.",
    booktitle = "29th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1991",
    address = "Berkeley, California, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P91-1032/",
    doi = "10.3115/981344.981376",
    pages = "246--255"
}