by (United Kingdom)Timothy Shipen;by (United States)E.C.Traugott....et al.; by (United Kingdom)G.Scott;by (United States)D.R.Bassett...et al; by (United Kingdom)L.Stone;by (United States)R.G.Stauffer...et al; by (United Kingdom)J.S.Rose;by (United States)C.W.Curtis...et al; by (United Kingdom)T.K.Aun;by (United States)J.A.Cronin...et al; by (United Kingdom)A.Cohen;by (United States)H.Stebbings...et al; by (United Kingdom)H.G.Widdowson;by (United States)C.Timmons...et al; by (United Kingdom)H.Massey;by (United States)H.O.Lutz...et al; by (United Kingdom)R.A.Wison;by (United States)M.K.Jain...et al; by (United Kingdom)R.D.Gill;by (United States)V.E.Golant...et al;