by (United States)M.B.Wiener;by (United States)G.A.Pepper;by (United Kingdom)N.Harvey; by (United States)J.L.Matson;by (United States)C.L.Frame;by (United Kingdom)M.Malvey; by (United States)F.D.Snell;by (United States)C.T.Snell;by (United Kingdom)N.A.Parris; by (United States)D.H.Norrie;by (United States)G.Vries;by (United Kingdom)P.Tong; by (United States)G.O.Abell;by (United States)B.Singer;by (United Kingdom)M.Buckby; by (United States)J.Eisen;by (United States)S.Troy;by (United Kingdom)M.Booth; by (United States)M.Kogan;by (United States)C.D.Herzog;by (United Kingdom)R.Meiggs; by (United States)R.B.Ash;by (United States)M.F.Gardner;by (United Kingdom)I.V.Basawa; by (United States)M.Csorgo;by (United States)P.Revesz;by (United Kingdom)M.H.Degroot; by (United States)P.J.Hilton;by (United States)G.Young;by (United Kingdom)J.C.Jaegor;