Niewolak, Leszek [P:(DE-Juel1)129770] ; Blum, Ludger [P:(DE-Juel1)129828] ; Peters, Roland [P:(DE-Juel1)129901] ; Grüner, Daniel [P:(DE-Juel1)145209] ; Quadakkers, Willem J. [P:(DE-Juel1)129782]