@incollection{Garrod99-challenge,
  author	= {Garrod, S.},
  editor	= {Garrod, S. and Pickering, M. J.},
  year		= {1999},
  title		= {The Challenge of Dialogue for Theories of Language Processing},
  booktitle	= {Language Processing},
  address	= {Hove},
  publisher	= {Psychology Press}
}