@incollection{Cummings92,
  author	= {Cummings, Michael J. and Zou, Xinyu},
  editor	= {Brend, Ruth M.},
  year		= {1992},
  title		= {Systemic linguistics in a formal perspective},
  booktitle	= {The 18th LACUS Forum 1991},
  publisher	= {Linguistic Association of Canada and the United States},
  address	= {Lake Bluff, Ill.},
  pages		= {187--197}
}