Haegel, F.H. [P:(DE-Juel1)129465] ; Zimmermann, E. [P:(DE-Juel1)133962] ; Jablonowski, D. [P:(DE-Juel1)129475] ; Esser, O. [P:(DE-Juel1)129450] ; Huisman, J.A. [P:(DE-Juel1)129472] ; Vereecken, H. [P:(DE-Juel1)129549]