by (United States)R.S.McElvaine;by (United States)B.J.Wattenberg; by (United States)S.M.McElvain;by (United States)W.G.Dauben; by (United States)N.P.Bali;by (United States)J.M.Rattenbury; by (United States)B.L.Cohen;by (United States)J.M.Eisenberg; by (United States)J.S.Rigden;by (United States)L.D.Rezenberg; by (United States)P.P.Gupta;by (United States)R.M.Rosenberg; by (United States)S.C.Jain;by (United States)L.R.Bittel; by (United States)G.Fuller;by (United States)H.Furstenberg; by (United States)M.J.Kallaher;by (United States)W.Klingenberg; by (United States)W.W.Watt;by (United States)J.E.Warriner;