@article{Halliday66-deep,
  author	= {Halliday, Michael A. K.},
  year		= {1966},
  title		= {Some notes on `deep' grammar},
  journal	= {Journal of Linguistics},
  volume	= {2},
  number	= {1},
  pages		= {57--67},
  note		= {Abridged version in Halliday (1976) edited by Gunther R. Kress.}
}