by (United States)S.C.Hunter;by (Federal Republic of Germany)L.D.Landau; by (United States)M.Holt;by (Federal Republic of Germany)L.D.Landau; by (United States)S.Lang;by (Federal Republic of Germany)S.G.Krantz; by (United States)W.D.Knight...et al;by (Federal Republic of Germany)L.D.Landau; by (United States)W.S.Hatcher;by (Federal Republic of Germany)J.C.Jantzen; by (United States)F.H.Croon;by (Federal Republic of Germany)A.Dold; by (United States)R.P.Sperb;by (Federal Republic of Germany)O.Vejvoda; by (United States)R.S.Pierce;by (Federal Republic of Germany)S.B.Rao; by (United States)T.S.Moss;by (Federal Republic of Germany)B.R.Nag; by (United States)E.I.Peters;by (Federal Republic of Germany)H.Primas;