Schäfer, Anna [P:(DE-Juel1)144017] ; Winden, Andreas [P:(DE-Juel1)144014] ; Zander, Willi [P:(DE-Juel1)128648] ; Schroeder, T. [P:(DE-HGF)0] ; Hardtdegen, Hilde [P:(DE-Juel1)125593] ; Schubert, Jürgen [P:(DE-Juel1)128631]