@incollection{Veltman85,
  author	= {Veltman, Robert},
  editor	= {Benson, James D. and Greaves, William S.},
  year		= {1985},
  title		= {Comparison and intensification: an ideal but problematic domain for systemic-functional theory},
  booktitle	= {Systemic perspectives on discourse: selected theoretical papers from the 9th International Systemic Workshop},
  publisher	= {Ablex},
  address	= {Norwood, N.J.},
  pages		= {187--212}
}