Bukhary, Tarig [P:(DE-Juel1)180215] ; Huisman, Johan Alexander [P:(DE-Juel1)129472] ; Zimmermann, Egon [P:(DE-Juel1)133962] ; Lazarovitch, N. [P:(DE-HGF)0] ; Vereecken, Harry [P:(DE-Juel1)129549]