@inproceedings{Halliday81-lacus,
  author	= {Halliday, M. A. K.},
  year		= {1981},
  title		= {Text semantics and clause grammar: some patterns of realization},
  booktitle	= {Seventh LACUS Forum},
  address	= {Columbia, SC},
  publisher	= {Hornbeam Press}
}