by (United States)H.Stebbings...et al;by (United States)E.D.P.De Robertis; by (United States)D.L.Pavia...et al;by (United States)R.M.Robert; by (United States)A.C.Morris...et al;by (United States)J.D.Lester; by (United States)H.A.Enge...et al;by (United States)C.F.Fischer; by (United States)H.Keune...et al;by (United States)J.C.Slater; by (United States)P.Robbins...et al; (United States)H.Gerischer; by (United States)C.W.Haas...et al;by (United States)S.R.Heller; by (United States)E.M.Stein...et al;by (United States)A.Terras; by (United States)H.Eyring...et al;by (United States)T.L.Hill; by (United States)W.L.Masterton...et al;by (United States)E.I.Peters;