@inproceedings{copeck-szpakowicz-2004-vocabulary,
    title = "Vocabulary Usage in Newswire Summaries",
    author = "Copeck, Terry  and
      Szpakowicz, Stan",
    booktitle = "Text Summarization Branches Out",
    month = jul,
    year = "2004",
    address = "Barcelona, Spain",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/fix-sig-urls/W04-1005/",
    pages = "19--26"
}