@Bibtex-file{Ai/raum.bib,
  title =        "Repr{\"a}sentation und Verarbeitung r{\"a}umlichen
                 Wissens (Representation and Processing of Spatial
                 Knowledge)",
  author =       "Habel Freksa",
  supported =    "no",
  readme =       "Bibliography of the following book: Habel Freksa,
                 Repr{\"a}sentation und Verarbeitung r{\"a}umlichen
                 Wissens, (Representation and Processing of Spatial
                 Knowledge), Informatik Fachberichte 245, Springer
                 Verlag, 190",
}