Haas, S. [P:(DE-Juel1)VDB49197] ; Zahren, C. [P:(DE-Juel1)VDB30416] ; Zwaygardt, B. [P:(DE-Juel1)VDB58704] ; Rech, B. [P:(DE-Juel1)VDB5941] ; Stiebig, H. [P:(DE-Juel1)VDB5910]