@incollection{Kopperschmidt85,
  author	= {Kopperschmidt, J.},
  editor	= {van Dijk, Teun A.},
  year		= {1985},
  title		= {An analysis of argumentation},
  booktitle	= {Handbook of discourse analysis: Volume 2; Dimensions of discourse},
  pages		= {159--168},
  publisher	= {Academic Press},
  address	= {London}
}