Design Review in a Distributed Collaborative Virtual Environment. - Weiqun Cao; Hendrik Gaertner; Hannes Guddat; Andreas M. Straube; Stefan Conrad 003; Ernst Kruijff; Dirk Langenberg (Int. J. Image Graph., 2006)

Knowledge management in cloud environments. - Dirk Langenberg; Christian Kind; Martin Dames (I-KNOW, 2011)