Podgursky, V. [P:(DE-HGF)0] ; Adam, R. [P:(DE-Juel1)VDB5644] ; Teske, M. [P:(DE-Juel1)VDB69531] ; Krämer, M. [P:(DE-Juel1)129131] ; Franchy, R. [P:(DE-Juel1)VDB5400]