Frielinghaus, Henrich [P:(DE-Juel1)130646] ; Brückel, Thomas [P:(DE-Juel1)130572] ; Heger, G. [P:(DE-HGF)0] ; Richter, Dieter [P:(DE-Juel1)130917] ; Zorn, Reiner [P:(DE-Juel1)131067]