by (United Kingdom)N.Harvey;by (United States)R.E.Phillips; by (United Kingdom)M.C.Irwin;by (United States)R.K.Miller; by (United Kingdom)N.E.Parker;by (United States)G.B.Ryvicki; by (United Kingdom)M.Sachs;by (United States)R.Skinner; by (United Kingdom)R.N.Hardy;by (United States)K.M.Lyons; by (United Kingdom)S.P.Morse;by (United States)R.S.Pressman; by (United Kingdom)N.S.Allen;by (United States)R.B.Cundall; by (United Kingdom)A.Fahn;by (United States)R.G.S.Bidwell; by (United Kingdom)C.W.Jones;by (United States)R.E.F.Mattews; by (United Kingdom)D.Du Maurier;by (United States)R.J.Dixson;