@incollection{Martin2000-exchange,
  author	= {Martin, James R.},
  editor	= {Coulthard, M. and Cotterill, J. and Rock, F.},
  title		= {Factoring out exchange: types of structure},
  booktitle	= {Working with Dialogue},
  address	= {Tubingen},
  publisher	= {Niemeyer},
  year		= {2000},
  pages		= {19--40}
}