@inproceedings{makhoul-1989-spoken,
    title = "Spoken Language Systems",
    author = "Makhoul, John",
    booktitle = "Speech and Natural Language: Proceedings of a Workshop Held at Cape Cod, Massachusetts, October 15-18, 1989",
    year = "1989",
    url = "https://preview.aclanthology.org/fix-sig-urls/H89-2059/"
}