@article{wahlster-etal-1978-glancing,
    title = "Glancing, Referring and Explaining in the Dialogue System {HAM-RPM}",
    author = "Wahlster, W.  and
      Jameson, A.  and
      Hoeppner, W.",
    editor = "Hays, David G.",
    journal = "American Journal of Computational Linguistics",
    month = dec,
    year = "1978",
    note = "Microfiche 77",
    url = "https://aclanthology.org/J78-3004/",
    pages = "53--67"
}