Bram, M. [P:(DE-Juel1)129591] ; Brünings, S. E. [P:(DE-Juel1)VDB190] ; Meschke, F. [P:(DE-Juel1)VDB1050] ; Meulenberg, W. A. [P:(DE-Juel1)129637] ; Buchkremer, H. P. [P:(DE-Juel1)129594] ; Steinbrech, R. W. [P:(DE-Juel1)VDB1573] ; Stöver, D. [P:(DE-Juel1)129666]