Vetterl, O. [P:(DE-Juel1)VDB2541] ; Groß, A. [P:(DE-Juel1)VDB6061] ; Dasgupta, A. [P:(DE-Juel1)VDB5921] ; Lambertz, A. [P:(DE-Juel1)VDB5906] ; Finger, F. [P:(DE-Juel1)130238] ; Wagner, H. [P:(DE-Juel1)VDB5911]