(United States)R.E.Machol;by (United States)J.Diamond; (United States)R.O.Wells;by (United States)S.Helgason; (United States)J.A.Dean;by (United States)J.A.Dean; (United States)English fo;by (United States)R.J.Dixson; (United States)M.T.Bower;by (United States)J.R.Conder; (United States)S.K.Martin;by (United States)J.I.Tracy; (United States)R.J.Howarth;by (United States)J.B.Maynard; (United States)R.R.Yager;by (United States)M.M.Gupta; (United States)R.L.Grob;by (United States)F.D.Snell; (United States)J.E.Warriner;by (United States)P.J.Canavan;