Ioffe, A. [P:(DE-Juel1)130729] ; Conrad, H. [P:(DE-Juel1)VDB245] ; Zeiske, T. [P:(DE-Juel1)VDB1831] ; Mueller, R. [P:(DE-Juel1)VDB1099] ; Küssel, E. [P:(DE-Juel1)VDB883] ; Massalovitch, S. [P:(DE-Juel1)VDB1018] ; Schlapp, M. [P:(DE-Juel1)VDB1415] ; Schmitz, B. [P:(DE-Juel1)VDB1442] ; Brückel, T. [P:(DE-Juel1)130572]