@incollection{Heidorn98-shapes,
  author	= {Heidorn, P. Bryan},
  editor	= {Olivier, Patrick and Gapp, Klaus-Peter},
  title		= {Shapes from natural language in VerbalImage},
  pages		= {119--132},
  booktitle	= {Representation and processing of spatial expressions},
  publisher	= {Lawrence Erlbaum Associates},
  year		= {1998},
  address	= {Mahwah, New Jersey}
}