Bartneck, Matthias [P:(DE-82)000408] ; Heffels, Karl-Heinz [P:(DE-82)000409] ; Pan, Yu [P:(DE-82)046745] ; Bovi, Manfred [P:(DE-82)000410] ; Zwadlo-Klarwasser, Gabriele-Claudia [P:(DE-82)007655] ; Groll, Jürgen [P:(DE-82)000411]