Teller, O. [P:(DE-Juel1)VDB1632] ; Meulenberg, W. A. [P:(DE-Juel1)129637] ; Tietz, F. [P:(DE-Juel1)129667] ; Wessel, E. [P:(DE-Juel1)129810] ; Quadakkers, W. J. [P:(DE-Juel1)129782]