Paul, A. [P:(DE-Juel1)VDB10308] ; Damm, T. [P:(DE-Juel1)VDB10436] ; Bürgler, D. E. [P:(DE-Juel1)130582] ; Stein, S. [P:(DE-Juel1)VDB3112] ; Kohlstedt, H. [P:(DE-Juel1)VDB3107] ; Grünberg, P. A. [P:(DE-Juel1)VDB10459]