Poppe, D. [P:(DE-Juel1)16311] ; Brauers, T. [P:(DE-Juel1)16306] ; Dorn, H.-P. [P:(DE-Juel1)16317] ; Karl, M. [P:(DE-Juel1)VDB13401] ; Schlosser, E. [P:(DE-Juel1)VDB26256] ; Tillmann, R. [P:(DE-Juel1)5344] ; Wegener, R. [P:(DE-Juel1)2367] ; Wahner, A. [P:(DE-Juel1)16324]