@inproceedings{copeck-szpakowicz:2004:ACLsummarization,
  author    = {Copeck, Terry  and  Szpakowicz, Stan},
  title     = {Vocabulary Usage in Newswire Summaries},
  booktitle = {Text Summarization Branches Out: Proceedings of the ACL-04 Workshop},
  editor = {Marie-Francine Moens, Stan Szpakowicz},
  year      = 2004,
  month     = {July},
  address   = {Barcelona, Spain},
  publisher = {Association for Computational Linguistics},
  pages     = {19--26}
}