@incollection{Denis-etal92,
  author	= {Denis, M. and Robin, F. and Laroui, A. and Zock, M.},
  editor	= {Kulhavy, R. and Schnotz, W.},
  title		= {Identifying and simulating cognitive strategies for the description of spatial networks},
  publisher	= {Academic Press},
  year		= {1992}
}