Holderer, O. [P:(DE-Juel1)130718] ; Kerscher, M. [P:(DE-Juel1)VDB79675] ; Monkenbusch, M. [P:(DE-Juel1)VDB2684] ; Frielinghaus, H. [P:(DE-Juel1)VDB4228] ; Richter, D. [P:(DE-Juel1)130917]