Christian Freksa (Freksa, Christian)

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  Foundations of Computer Science : Potential-Theory-Cognition
  by C. Freksa, Matthias Jantzen, R. Valk, Wilfried Brauer
  Softcover, Springer, ISBN 354063746X (3-540-63746-X)
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  Geographic Information Science: Third International Conference, Gi Science 2004 Adelphi, Md, Usa, October 20-23, 2004 Proceedings
  by Max J. Egenhofer, Harvey J. Miller, Christian Freksa
  Softcover, Springer Verlag, ISBN 3540235582 (3-540-23558-2)
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  KI 2006: Advances in Artificial Intelligence 29th Annual German Conference on Ai, Ki 2006, Bremen, Germany, June 14-17, 2006, Proceedings
  by Michael Kohlhase, Christian Freksa, Kerstin Schill
  Softcover, Springer Verlag, ISBN 3540699112 (3-540-69911-2)
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  Spatial Cognition: An Interdisciplinary Approach to Representing and Processing Spatial Knowledge
  by Christopher Habel, Karl Friedrich Wender, Christian Freksa
  Softcover, Springer Verlag, ISBN 3540646035 (3-540-64603-5)
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  Spatial Cognition III: Routes and Navigation, Human Memory and Learning, Spatial Representation and Spatial Learning
  by Christopher Habel, Wilfried Brauer, Karl Friedrich Wender, Christian Freksa, C. Freksa
  Softcover, Springer Verlag, ISBN 3540404309 (3-540-40430-9)
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  Spatial Cognition IV Reasoning, Action, Interaction: International Spatial Cognition 2004, Frauenchiemsee, Germany, October 11-13, 2004, Revised Selected Papers
  by C. Freksa, Spatial Cognition 200, Bernhard Nebel, Thomas Barkowsky, Christian Freksa, Markus Knauff, Bernd Krieg-brnckner
  Softcover, Springer Verlag, ISBN 3540250484 (3-540-25048-4)
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  Spatial Information Theory: Cognitive Computational Foundations of Geographic Information Science International Conference Cosit '99 Stade, Germany, August 1999, Proceedings
  by David M. Mark, Christian Freksa
  Softcover, Springer Verlag, ISBN 3540663657 (3-540-66365-7)