@article{Benson-etal89,
  editor	= {Benson, James D. and Fries, Peter H. and Greaves, William S. and Matthiessen, Christian},
  key		= {Benson-et-al},
  year		= {1989},
  title		= {System structures and discourse: selected papers from the Fifteenth International Systemic Congress},
  journal	= {Word},
  volume	= {40},
  number	= {1-2},
  month		= apraug
}