@inproceedings{perrault-1987-towards,
    title = "Towards a Semantic Theory of Discourse",
    author = "Perrault, C. Raymond",
    editor = "Wilks, Yorick",
    booktitle = "Theoretical Issues in Natural Language Processing 3",
    year = "1987",
    url = "https://preview.aclanthology.org/fix-sig-urls/T87-1020/"
}