@incollection{Hudson87-sys,
  author	= {Hudson, Richard A..},
  editor	= {Halliday, M. A. K. and Fawcett, R. P},
  year		= {1987},
  title		= {Daughter-dependency theory and systemic grammar},
  booktitle	= {New developments in systemic linguistics},
  volume	= {1},
  pages		= {103--114},
  publisher	= {Pinter},
  address	= {London}
}