Appel, Marina [P:(DE-HGF)0] ; Borisov, Galin [P:(DE-Juel1)161221] ; Holderer, Olaf [P:(DE-Juel1)130718] ; Appavou, Marie-Sousai [P:(DE-Juel1)130507] ; Zorn, Reiner [P:(DE-Juel1)131067] ; Lehnert, Werner [P:(DE-Juel1)129883] ; Richter, Dieter [P:(DE-Juel1)130917]