@incollection{Halliday96-grammatics,
  author	= {Halliday, Michael A. K.},
  editor	= {Hasan, Ruqaiya and Cloran, Carmel and Butt, David},
  booktitle	= {Functional descriptions -- theory in practice},
  publisher	= {Benjamins},
  address	= {Amsterdam},
  series	= {Current Issues in Linguistic Theory},
  year		= {1996},
  pages		= {1--38},
  title		= {On grammar and grammatics}
}