@incollection{HagenStein96,
  author	= {Hagen, E. and Stein, A.},
  year		= {1996},
  title		= {Automatic Generation of a Complex Dialogue History},
  booktitle	= {Proc. 11th Canadian Conference on Artificial Intelligence (AI96)},
  pages		= {84--96},
  publisher	= {Springer},
  address	= {Berlin/Heidelberg/New York},
  organization	= {Canadian Society for Computational Studies of Intelligence}
}