Brecher, Christian [P:(DE-82)IDM00329] ; Schuh, Günther [P:(DE-82)IDM00801] ; van der Aalst, Wil M. P. [P:(DE-82)IDM02412] ; Jarke, Matthias [P:(DE-82)IDM00071] ; Piller, Frank Thomas [P:(DE-82)IDM00224] ; Padberg, Melanie Sarah Katharina [P:(DE-82)IDM02616]