Jansen, Karl [P:(DE-H253)PIP1003636] ; Leovey, H. [P:(DE-HGF)0] ; Ammon, A. [P:(DE-H253)PIP1005939] ; Griewank, A. [P:(DE-HGF)0] ; Müller-Preussker, M. [P:(DE-HGF)0]