@incollection{Porzel-etal,
  author	= {Porzel, R. and Jansche, M. and Klabunde, R.},
  editor	= {Olivier, P.},
  title		= {The Generation of Spatial Descriptions from a Cognitive Point of View},
  booktitle	= {Spatial Language. Cognitive and Computational Aspects},
  publisher	= {Kluwer},
  year		= {in press},
  address	= {Dordrecht}
}