@Proceedings{dittrich2003iii, address = "Bonn", author = "Klaus Dittrich and Wolfgang K{\"o}nig and Kai Rannenberg and Wolfgang Wahlster and Andreas Oberweis", month = "September", note = "Beitr{\"a}ge der 33. Jahrestagung der Gesellschaft f{\"u}r Informatik e.V. (GI), 29.9.-2.10.2003 in Frankfurt am Main", publisher = "K{\"o}llen Druck+Verlag", series = "GI-Edition - Lecture Notes of Informatics (LNI)", title = "INFORMATIK 2003 - Innovative Informatikanwendungen", volume = "P-35, Bd.2", year = "2003", }