Bittkau, K. [P:(DE-Juel1)130219] ; Böttler, W. [P:(DE-Juel1)130224] ; Ermes, M. [P:(DE-Juel1)130237] ; Smirnov, V. [P:(DE-Juel1)130297] ; Finger, F. [P:(DE-Juel1)130238]