Menzel, S. [P:(DE-Juel1)158062] ; Klopstra, B. [P:(DE-Juel1)VDB70208] ; Kügeler, C. [P:(DE-Juel1)VDB15125] ; Böttger, U. [P:(DE-Juel1)VDB3024] ; Staikov, G. [P:(DE-Juel1)VDB13645] ; Waser, R. [P:(DE-Juel1)131022]