@proceedings{acl-1980-association,
    title = "18th Annual Meeting of the Association for Computational Linguistics",
    month = jun,
    year = "1980",
    address = "Philadelphia, Pennsylvania, USA",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/Add-Cong-Liu-Florida-Atlantic-University-author-id/P80-1000/"
}