Reimer, Uwe [P:(DE-Juel1)6697] ; Cai, Yun [P:(DE-Juel1)168222] ; Li, Ruiyu [P:(DE-Juel1)168240] ; Froning, Dieter [P:(DE-Juel1)5106] ; Lehnert, Werner [P:(DE-Juel1)129883]