Schmidt, A. [P:(DE-Juel1)VDB1427] ; Bürger, A. [P:(DE-Juel1)VDB69080] ; Dominiczak, K. [P:(DE-Juel1)VDB99746] ; Keusemann, S. [P:(DE-Juel1)VDB92061] ; Loewenhoff, Th. [P:(DE-Juel1)VDB99747] ; Linke, J. [P:(DE-Juel1)VDB2728] ; Rödig, M. [P:(DE-Juel1)VDB22954] ; Thomser, C. [P:(DE-Juel1)VDB92060]