@incollection{Werner-etal2000-navigation,
  author	= {Werner, S. and Krieg-Br{\"u}ckner, B. and Herrmann, T.},
  editor	= {Freksa, C. and Brauer, W. and Habel, C. and Wender, K. F.},
  year		= {2000},
  title		= {Modelling Navigational Knowledge by Route Graphs},
  booktitle	= {Spatial Cognition II - Integrating Abstract Theories, Empirical Studies, Formal Methods, and Practical Applications},
  pages		= {295--316},
  address	= {Berlin},
  publisher	= {Springer}
}