Breede, Katrin [P:(DE-Juel1)129441] ; Kemna, A. [P:(DE-Juel1)VDB736] ; Esser, Odilia [P:(DE-Juel1)129450] ; Zimmermann, Egon [P:(DE-Juel1)133962] ; Vereecken, Harry [P:(DE-Juel1)129549] ; Huisman, Johan Alexander [P:(DE-Juel1)129472]