@incollection{Halliday-fc-mean,
  author	= {Halliday, Michael A. K.},
  editor	= {Davies, Martin and Ravelli, Louise},
  year		= {forthcoming},
  title		= {How do you mean?},
  booktitle	= {Selected Papers from the Seventeenth International Systemic Congress},
  note		= {University of Stirling, July 1990}
}