by (United States)A.A.Cohen;by (United Kingdom)I.S.Simpson; by (United States)H.Cohn;by (United Kingdom)R.B.Cooper; by (United States)L.B.Okun;by (United Kingdom)I.S.Towner; by (United States)H.O.Stoarns;by (United Kingdom)J.Simpkins; by (United States)A.Fine;by (United Kingdom)P.J.Fleming; by (United States)A.Lang;by (United Kingdom)L.R.Furst; by (United States)P.Choy;by (United Kingdom)R.A.Close; by (United States)I.Satake;by (United Kingdom)R.J.Silvaster; by (United States)A.H.Live;by (United Kingdom)D.H.Lawrence; by (United States)A.O.Barut;by (United Kingdom)S.M.Blinder;