by (United States)R.D.Levine;by (United States)R.B.Bernstein;by (United Kingdom)J.N.Bradley; by (United States)D.I.Porat;by (United States)A.Barna;by (United Kingdom)J.P.Hawker; by (United States)R.B.Ash;by (United States)M.F.Gardner;by (United Kingdom)I.V.Basawa; by (United States)R.V.Hogg;by (United States)A.T.Craig;by (United Kingdom)M.Kendall; by (United States)P.J.Hilton;by (United States)G.Young;by (United Kingdom)J.C.Jaegor; by (United States)R.Iall;by (United States)V.Kuman;by (United Kingdom)R.A.Jacobs; by (United States)C.Nordling...et al;by (United Kingdom)C.J.Bradley; by (United States)P.G.Burke;by (United States)R.B.Bernstein; by (United States)E.L.Levine;by (United States)R.H.Kraemer; by (United States)R.L.Cherry...et al;by (United Kingdom)N.Blake;