@inproceedings{Piwek-etal99,
  author	= {Piwek, P. and Evans, Roger and Power, Richard},
  title		= {Editing speech acts: a practical approach to human-machine dialogue},
  booktitle	= {Preproceedings of Amstelogue'99: Workshop on the Semantics and Pragmatics of Dialogue},
  year		= {1999},
  address	= {Amsterdam},
  month		= may,
  publisher	= {University of Amsterdam}
}