Scholz, K.E. [P:(DE-HGF)0] ; Okrob, D. [P:(DE-Juel1)VDB84576] ; Kopka, B. [P:(DE-HGF)0] ; Grünberger, A. [P:(DE-Juel1)VDB99617] ; Pohl, M. [P:(DE-Juel1)131522] ; Jaeger, K.-E. [P:(DE-HGF)0] ; Krauss, U. [P:(DE-HGF)0]