by (United States)W.M.Rivers;by (United Kingdom)E.Fry; by (United States)P.M.Roget;by (United Kingdom)C.Gem; by (United States)W.Rindler;by (United Kingdom)W.Rindler; by (United States)D.Monaghan;by (United Kingdom)E.Miner; by (United States)C.E.Roberts;by (United Kingdom)M.R.M.Rao; by (United States)D.M.Smith;by (United Kingdom)E.Gaskell; by (United States)P.M.Chirlian;by (United Kingdom)R.King; by (United States)R.V.Hughson;by (United Kingdom)E.Laird; by (United States)K.Sandberg;by (United Kingdom)W.M.Smyth; by (United States)S.M.Ross;by (United Kingdom)D.W.Stroock;