by (United States)N.A.Berkoff;by (United Kingdom)R.Barne; by (United States)R.M.Berne;by (United Kingdom)H.Davson; by (United States)C.A.Bergman;by (United Kingdom)R.A.Close; by (United States)S.P.Parker;by (United Kingdom)R.E.Parker; by (United States)J.N.Butler;by (United Kingdom)R.Battion; by (United States)N.R.Carlson;by (United Kingdom)R.E.Decker; by (United States)J.C.Blumenthal;by (United Kingdom)R.Best; by (United States)N.wirth;by (United Kingdom)R.B.Coats; by (United States)J.R.O'Malley;by (United Kingdom)R.Yorke; by (United States)P.M.Chirlian;by (United Kingdom)R.King;