Frommberger, M. [P:(DE-HGF)0] ; Wieland, K. [P:(DE-Juel1)VDB11618] ; Englmann, M. [P:(DE-HGF)0] ; Thiele, B. [P:(DE-Juel1)129410] ; Schurr, U. [P:(DE-Juel1)129402] ; Schmitt-Kopplin, Ph. [P:(DE-HGF)0]