by (United States)J.R.Durbin;by (United States)L.L.Dornhoff; by (United States)J.R.W.Warn;by (United States)Y.L.Yao; by (United States)J.Rosin;by (United States)C.O.Bennett; by (United States)J.Russell;by (United States)D.F.Barnett; by (United States)J.S.Robinson;by (United States)F.J.Romano; by (United States)E.F.Dolan;by (United States)R.Dubos; by (United States)E.G.Dolan;by (United States)R.Dornbusch; by (United States)J.R.Munkres;by (United States)C-G.Rota; by (United States)L.R.Hilsen;by (United States)R.Krohn; by (United States)R.J.Barro;by (United States)R.Dornbusch;