@article{MatthiessenMartin91-response,
  author	= {Matthiessen, Christian M. I. M. and Martin, James R.},
  year		= {1991},
  title		= {A response to Huddleston's review of Halliday's Introduction to Functional Grammar},
  journal	= {Occasional Papers in Systemic Linguistics},
  volume	= {5},
  pages		= {5--74}
}