@inproceedings{HirschbergLitman87,
  author	= {Hirschberg, J. and Litman, D.},
  year		= {1987},
  title		= {Now let's talk about \em now: identifying cue phrases intonationally},
  booktitle	= {Proceedings of the 25th. Annual Meeting of the Association for Computational Linguistics},
  pages		= {163--171},
  publisher	= {Association for Computational Linguistics},
  address	= {Stanford}
}