Haegel, Franz-Hubert [P:(DE-Juel1)129465] ; Zimmermann, Egon [P:(DE-Juel1)133962] ; Jablonowski, Nicolai D. [P:(DE-Juel1)129475] ; Esser, Odilia [P:(DE-Juel1)129450] ; Huisman, J. A. [P:(DE-Juel1)129472] ; Vereecken, Harry [P:(DE-Juel1)129549]