Gropp, W.D. [P:(DE-HGF)0] ; Frings, W. [P:(DE-Juel1)132108] ; Hermanns, M.-A. [P:(DE-Juel1)168253] ; Jedlicka, E. [P:(DE-HGF)0] ; Jordan, K.E. [P:(DE-HGF)0] ; Mintzer, F. [P:(DE-HGF)0] ; Orth, B. [P:(DE-Juel1)132215]