@inproceedings{petrelli-etal-1997-referring,
    title = "Referring in Multimodal Systems: The Importance of User Expertise and System Features",
    author = "Petrelli, Daniela  and
      De Angeli, Antonella  and
      Gerbino, Walter  and
      Cassano, Giulia",
    booktitle = "Referring Phenomena in a Multimedia Context and their Computational Treatment",
    year = "1997",
    url = "https://preview.aclanthology.org/fix-sig-urls/W97-1402/"
}