@incollection{Halliday84-code,
  author	= {Halliday, Michael A. K.},
  editor	= {Halliday, M. A. K. and Fawcett, Robin P. and Lamb, S. and Makkai, A.},
  booktitle	= {The semiotics of language and cultbure},
  pages		= {3--35},
  year		= {1984},
  title		= {Language as code and language as behaviour: a systemic-functional interpretation of the nature and ontogenesis of dialogue},
  volume	= {1},
  note		= {(Open Linguistics Series)},
  publisher	= {Frances Pinter},
  address	= {London}
}