Zorn, Reiner [P:(DE-Juel1)131067] ; Muthmann, Matthias [P:(DE-Juel1)140457] ; Rebbin, V. [P:(DE-HGF)0] ; Brodeck, M. [P:(DE-HGF)0] ; Richter, Dieter [P:(DE-Juel1)130917]