by (United States)M.D.Scadron;by (United Kingdom)E.H.Wichmann; by (United States)M.A.Omar;by (United Kingdom)J.M.Ziman; by (United States)M.C.Hutley;by (United Kingdom)P.Hariharan; by (United States)M.M.Johnson;by (United Kingdom)A.R.Kindred; by (United States)H.Spear;by (United Kingdom)H.D.Spear; by (United States)M.Marcus;by (United Kingdom)M.A.Munem; by (United States)R.V.Hughson;by (United Kingdom)E.Laird; by (United States)S.A.Newman;by (United Kingdom)E.B.Smith; by (United States)M.S.Bazaraa;by (United Kingdom)L.S.Srinath; by (United States)D.M.Smith;by (United Kingdom)E.Gaskell;