@incollection{Hildebrandt-etal99,
  author	= {Hildebrandt, B. and Moratz, R. and G., Rickheit, and Sagerer, G.},
  editor	= {Rickheit, G. and Habel, C.},
  year		= {1999},
  title		= {Cognitive modelling of vision and speech understanding},
  booktitle	= {Mental Models in Discourse Processing and Reasoning},
  address	= {Amsterdam},
  publisher	= {Elsevier}
}