@inproceedings{greenbacker-mccoy-2009-udel-extending,
    title = "{UD}el: Extending Reference Generation to Multiple Entities",
    author = "Greenbacker, Charles  and
      McCoy, Kathleen",
    editor = "Belz, Anja  and
      Evans, Roger  and
      Varges, Sebastian",
    booktitle = "Proceedings of the 2009 Workshop on Language Generation and Summarisation ({UCNLG}+{S}um 2009)",
    month = aug,
    year = "2009",
    address = "Suntec, Singapore",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W09-2821/",
    pages = "105--106"
}