by (United States)K.J.Gasvik;by (United Kingdom)V.A.Smith; by (United States)J.Nove;by (United Kingdom)G.D.Smith; by (United States)K.Seeger;by (United Kingdom)R.A.Smith; by (United States)E.N.Ramsedn;by (United Kingdom)S.J.Smith; by (United States)S.A.Newman;by (United Kingdom)E.B.Smith; by (United States)J.Glaser;by (United Kingdom)A.M.Burt; by (United States)K.Sandberg;by (United Kingdom)W.M.Smyth; by (United States)K.Davis;by (United Kingdom)C.C.Fries; by (United States)K.Ellis;by (United Kingdom)M.West; by (United States)H.F.Mark;by (United Kingdom)D.W.A.Sharp;