Ayvazyan, V. [P:(DE-H253)PIP1005222] ; Clausen, M. [P:(DE-H253)PIP1003161] ; Petersen, Bernd [P:(DE-H253)PIP1003167] ; Putselyk, S. [P:(DE-H253)PIP1017178] ; Schnautz, T. [P:(DE-H253)PIP1005320]