by (United Kingdom)P.Hariharan;by (United States)R.G.Newton; by (United Kingdom)E.H.Wichmann;by (United States)R.G.Winter; by (United Kingdom)M.Archer;by (United States)R.C.Aukerman; by (United Kingdom)A.Pillay;by (United States)R.Burton; by (United Kingdom)D.Du Maurier;by (United States)R.J.Dixson; by (United Kingdom)J.C.Mason;by (United States)R.C.Nickerson; by (United Kingdom)V.L.Ginzburg;by (United States)R.M.Besancon; by (United Kingdom)H.Gupta;by (United States)R.K.Guy; by (United Kingdom)J.Culler;by (United States)R.Selden; by (United Kingdom)K.J.Binns;by (United States)R.L.Gray;