by (United States)S.R.Heller;by (United States)G.W.A.Milne;by (United Kingdom)B.J.Millard; by (United States)J.M.Cram;by (United States)D.J.Cram;by (United Kingdom)I.L.Finar; by (United States)P.J.Hilton;by (United States)G.Young;by (United Kingdom)J.C.Jaegor; by (United States)S.McKay;by (United States)L.Rosenthal;by (United Kingdom)S.Miller; by (United States)G.H.F.Diercksen;by (United States)S.Wilson;by (United Kingdom)G.J.Bullen; by (United States)M.B.Wiener;by (United States)G.A.Pepper;by (United Kingdom)N.Harvey; by (United States)S.C.Port;by (United States)C.J.Stone;by (United Kingdom)D.Rowntree; 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)R.E.Phillips;by (United States)S.H.Pillips;by (United Kingdom)P.R.Hesse;