Classification, the ubiquitous challenge : proceedings of the 28th Annual Conference of the Gesellschaft für Klassifikation e.V., University of Dortmund, March 9-11, 2004 / Claus Weihs, Wolfgang Gaul, editors
"This volume contains revised versions of selected papers presented during the 28th Annual Conference of the Gesellschaft für Klassifikation (GfKI), the German Classification Society. The conference was held at the Universität Dortmund in Dortmund, Germany."--Preface, p. [v].