Soni, R. [P:(DE-Juel1)VDB75717] ; Meuffels, P. [P:(DE-Juel1)130836] ; Staikov, G. [P:(DE-Juel1)VDB13645] ; Weng, R. [P:(DE-Juel1)VDB75716] ; Kügeler, C. [P:(DE-Juel1)VDB15125] ; Petraru, A. [P:(DE-Juel1)VDB5557] ; Hambe, M. [P:(DE-Juel1)VDB101166] ; Waser, R. [P:(DE-Juel1)131022] ; Kohlstedt, H. [P:(DE-Juel1)VDB3107]