by (United Kingdom)L.A.Hill;by (United States)P.Hartwell; by (United Kingdom)J.K.Hale;by (United States)P.Hartman; by (United Kingdom)P.R.Hesse;by (United States)K.Harris; by (United Kingdom)R.C.Denney;by (United States)M.Harwit; by (United Kingdom)C.N.Banwell;by (United States)G.Herzberg; by (United Kingdom)L.Jones;by (United States)B.Lott; by (United Kingdom)L.Woolf;by (United States)G.Moore; by (United States)L.A.Hill;by (United States)T.Harris; by (United Kingdom)J.L.Lopes;by (United States)P.Ramond; by (United Kingdom)C.Went;by (United States)P.Zuman;