@incollection{JordingWachsmuth01,
  author	= {J{\"o}rding, Tanja and Wachsmuth, Ipke},
  title		= {An anthropomorphic agent for the use of spatial language},
  booktitle	= {Spatial language: cognitive and computational aspects},
  publisher	= {Kluwer},
  year		= {2001},
  chapter	= {4}
}