by (Federal Republic of Germany)F.V.Oystaeyen...et al;by (United States)P.J.Hilton; by (Federal Republic of Germany)G.Mathe...et al;by (United States)P.J.Disaia; by (Federal Republic of Germany)J.Bluthgen...et al;by (United States)J.E.Hobbs; by (Federal Republic of Germany)G.H.Muller...et al;by (United States)J.Malitz; by (Federal Republic of Germany)M.J.Clarke...et al;by (United States)S.Glasstone; by (Federal Republic of Germany)R.Henn...et al;by (United States)J.J.Moder; by (Federal Republic of Germany)A.I.Akhiezer...et al;by (United States)R.E.Sonntag; by (Federal Republic of Germany)A.Bachem...et al; (United States)C.Gibson; by (Federal Republic of Germany)A.L.Bhuivan...et al;by (United States)D.T.Buras; by (Federal Republic of Germany)R.C.Lyndon...et al;by (United States)E.D.Nering;