by (United States)Jeremy Rifkin;by (United States)Ted Howard; (United States)G.H.Bourne; by (United States)G.D.Kraft;by (United States)W.N.Toy; (United States)D.F.Stout; by (United States)T.Kremmer;by (United States)L.Boross; (United States)R.L.Grob; by (United States)B.Irons;by (United States)S.Ahmad;by (United States)G.J.Klmeny; by (United States)G.Whyburn;by (United States)E.Duda;by (United States)P.Walters; by (United States)E.Ferari;by (United States)G.Violini;by (United States)I.R.Cameron; by (United States)E.Jones;by (United States)D.Nesbitt;by (United States)G.Kane; by (United States)H.A.Linton;by (United States)M.Nicrobss;by (United States)G.Muller; by (United States)H.Batzer;by (United States)F.Lohse;by (United States)J.L.Koenig; by (United States)M.K.Rice;by (United States)J.U.Burns;by (United States)A.L.Sheff;