Deibert, W. [P:(DE-Juel1)144923] ; Ivanova, M. [P:(DE-Juel1)129617] ; Meulenberg, W. A. [P:(DE-Juel1)129637] ; Vaßen, R. [P:(DE-Juel1)129670] ; Buchkremer, H. P. [P:(DE-Juel1)129594]