@book{Kempen87,
  author	= {Kempen, Gerard},
  year		= {1987},
  title		= {Natural Language Generation: Recent Advances in Artificial Intelligence, Psychology, and Linguistics},
  note		= {Selected papers presented at the Third International Workshop on Natural Language Generation, August 1986, Nijmegen, The Netherlands},
  publisher	= {Kluwer Academic Publishers}
}