Lehnen, M. [P:(DE-Juel1)VDB3460] ; Brix, M. [P:(DE-Juel1)VDB3356] ; Gerhauser, H. [P:(DE-Juel1)VDB3552] ; Schweer, B. [P:(DE-Juel1)130154] ; Zagorski, R. [P:(DE-Juel1)VDB3553]