Gao, Zhan [P:(DE-Juel1)161264] ; Haegel, Franz-Hubert [P:(DE-Juel1)129465] ; Huisman, Johan Alexander [P:(DE-Juel1)129472] ; Esser, Odilia [P:(DE-Juel1)129450] ; Zimmermann, Egon [P:(DE-Juel1)133962] ; Vereecken, Harry [P:(DE-Juel1)129549]