by (United States)M.P.De;by (United States)K.G.Stone; by (United States)M.Ross;by (United States)N.G.Basov; by (United States)M.A.Wolfe;by (United States)A.J.Jones; by (United States)G.Kothe;by (United States)K.P.Kamthan; by (United States)I.Home;by (United States)M.P.De; by (United States)M.Park;by (United States)R.Keese; by (United States)R.K.Guy;by (United States)K.Ireland; by (United States)M.A.Jones;by (United States)M.C.Jensen; by (United States)R.P.Bauman;by (United States)K.W.Ford; by (United States)W.F.Stout;by (United States)K.L.Chung;