@inproceedings{pieraccini-lee-1991-factorization,
    title = "Factorization of Language Constraints in Speech Recognition",
    author = "Pieraccini, Roberto  and
      Lee, Chin-Hui",
    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://preview.aclanthology.org/fix-sig-urls/P91-1039/",
    doi = "10.3115/981344.981383",
    pages = "299--306"
}