Wördenweber, R. [P:(DE-Juel1)128749] ; Hollmann, E. [P:(DE-Juel1)VDB8300] ; Schubert, J. [P:(DE-Juel1)128631] ; Kutzner, R. [P:(DE-Juel1)VDB5692] ; Panaitov, G. [P:(DE-Juel1)128715]