Frey, W. [P:(DE-HGF)0] ; Borrmann, S. [P:(DE-HGF)0] ; Kunkel, D. [P:(DE-HGF)0] ; Weigel, R. [P:(DE-HGF)0] ; de Reus, M. [P:(DE-HGF)0] ; Schlager, H. [P:(DE-HGF)0] ; Voigt, C. [P:(DE-HGF)0] ; Minikin, A. [P:(DE-HGF)0] ; Hamburger, Th. [P:(DE-HGF)0] ; Krämer, M. [P:(DE-Juel1)129131] ; Schiller, C. [P:(DE-Juel1)VDB1410] ; Volk, C.M. [P:(DE-HGF)0] ; Homan, C.D. [P:(DE-HGF)0] ; Fierli, F. [P:(DE-HGF)0] ; Ulanovsky, A. [P:(DE-HGF)0] ; Ravegnani, F. [P:(DE-HGF)0] ; Sitnikov, N.M. [P:(DE-HGF)0] ; Viciani, S. [P:(DE-HGF)0] ; Shur, G.N. [P:(DE-HGF)0] ; Belyaev, G.V. [P:(DE-HGF)0] ; Hoor, P. [P:(DE-HGF)0] ; Law, K.S. [P:(DE-HGF)0] ; Cairo, F. [P:(DE-HGF)0]