@article{Wahlster-etal93,
  author	= {Wahlster, Wolfgang and Andr{\'e}, Elisabeth and Finkler, Wolfgang and Profitlich, Hans-J{\"u}rgen and Rist, Thomas},
  year		= {1993},
  title		= {Plan-based integration of natural language and graphics generation},
  journal	= {Artificial Intelligence},
  volume	= {63},
  number	= {1-2},
  pages		= {387--427}
}