Rupp, L. [P:(DE-Juel1)VDB14753] ; Siese, M. [P:(DE-Juel1)VDB1526] ; Kleffmann, J. [P:(DE-HGF)0] ; Hofzumahaus, A. [P:(DE-Juel1)16326] ; Schlosser, E. [P:(DE-Juel1)VDB26256] ; Holland, F. [P:(DE-Juel1)16342]