@incollection{Martin95-theme,
  author	= {Martin, James R.},
  editor	= {Ghadessy, M.},
  title		= {More than what the message is about: English Theme},
  booktitle	= {Thematic development in English texts},
  publisher	= {Pinter Publishers},
  year		= {1995},
  series	= {Open Linguistics Series},
  pages		= {223--258},
  address	= {London}
}