@incollection{Levelt-Schriffers87,
  author	= {Levelt, Willem J. M. and Schriffers, Herbert},
  editor	= {Kempen, Gerard},
  year		= {1987},
  title		= {Stages of lexical access},
  booktitle	= {Natural Language Generation: Recent Advances in Artificial Intelligence, Psychology, and Linguistics},
  note		= {Paper presented at the Third International Workshop on Natural Language Generation, August 1986, Nijmegen, The Netherlands},
  publisher	= {Kluwer Academic Publishers},
  address	= {Boston/Dordrecht}
}