Valov, I. [P:(DE-Juel1)131014] ; Linn, E. [P:(DE-Juel1)136769] ; Tappertzhofen, S. [P:(DE-Juel1)VDB107431] ; Schmelzer, S. [P:(DE-Juel1)VDB88174] ; van den Hurk, J. [P:(DE-HGF)0] ; Lentz, F. [P:(DE-Juel1)130795] ; Waser, R. [P:(DE-Juel1)131022]