Schiek, Martin [P:(DE-Juel1)145429] ; Niewolak, Leszek [P:(DE-Juel1)129770] ; Singheiser, Lorenz [P:(DE-Juel1)129795] ; Vassen, Robert [P:(DE-Juel1)129670] ; Quadakkers, Willem J. [P:(DE-Juel1)129782]