Bäcker, M. [P:(DE-Juel1)128668] ; Rakowski, D. [P:(DE-HGF)0] ; Poghossian, A. [P:(DE-Juel1)128717] ; Biselli, M. [P:(DE-HGF)0] ; Wagner, P. [P:(DE-HGF)0] ; Schöning, M. J. [P:(DE-Juel1)128727]