Radovsky, G. [P:(DE-HGF)0] ; Popovitz-Biro, R. [P:(DE-HGF)0] ; Lorenz, T. [P:(DE-HGF)0] ; Joswig, J. O. [P:(DE-HGF)0] ; Seifert, G. [P:(DE-HGF)0] ; Houben, Lothar [P:(DE-Juel1)130723] ; Dunin-Borkowski, Rafal [P:(DE-Juel1)144121] ; Tenne, R. [P:(DE-HGF)0]