by (United States)Geoffrey L.Zubay;by (United States)Michael C.Keith; by (United States)Geoffrey Zubay;by (United States)Gloria Bird; by (United States)Richard G.W.;by (United States)Michael H.; by (United States)Barry Cox;by (United States)Michael Chinery; by (United States)Geoffrey Godbey;by (United States)David W.Louisell; by (United States)Jeffrey Slater;by (United States)P.E.Lloyd...et; by (United States)C.R.MeConnell;by (United States)Michael Parkin; by (United States)Clark Mckowen;by (United States)Michael Scott; by (United States)James E.Huheey;by (United States)Michaet Spivak; by (United States)L.Murphy Johnson;by (United States)Michael B.;