Ackermann, Jörg [P:(DE-Juel1)169528] ; Streun, Matthias [P:(DE-Juel1)133944] ; Merz, Steffen [P:(DE-Juel1)129503] ; Eichel, Rüdiger-A. [P:(DE-Juel1)156123] ; Granwehr, Josef [P:(DE-Juel1)162401]