@incollection{HoughtonPearson88,
  author	= {Houghton, George and Pearson, Mark},
  editor	= {Zock, Michael and Sabeh, G{\'e}rard},
  year		= {1988},
  title		= {The production of spoken dialogue},
  booktitle	= {Advances in Natural Language Generation: an interdisciplinary approach},
  volume	= {1},
  pages		= {112--130},
  publisher	= {Pinter Publishers},
  address	= {London}
}