@incollection{JohnsonLaird81,
  author	= {Johnson-Laird, P. N.},
  editor	= {Webber, Bonnie L. and Joshi, Aravind K. and Sag, Ivan A.},
  title		= {Mental models of meaning},
  year		= {1981},
  booktitle	= {Elements of Discourse Processing},
  publisher	= {Cambridge University Press},
  address	= {New York},
  pages		= {106--126}
}