by (United States)M.Gross;by (United Kingdom)R.Gower; by (United States)P.Choy;by (United Kingdom)R.A.Close; by (United States)M.Morton;by (United Kingdom)W.Grassie; by (United States)D.David;by (United Kingdom)R.Fox; by (United States)H.Cohn;by (United Kingdom)R.B.Cooper; by (United States)J.Carter;by (United Kingdom)R.Miller; by (United States)M.Marcus;by (United Kingdom)M.A.Munem; by (United States)N.wirth;by (United Kingdom)R.B.Coats; by (United States)N.A.Berkoff;by (United Kingdom)R.Barne; by (United States)R.Larsen;by (United Kingdom)R.D.Milne;