by (United States)D.Freedman;by (United States)Y.A.Rozanov; by (United States)D.Freedman;by (United States)F.O.Rice; by (United States)D.Freedman;by (United States)D.Freedman; by (United States)B.Beizer;by (United States)D.H.Bowen; by (United States)D.Acker;by (United States)C.R.Goldman; by (United States)D.F.Stanat; (United States)P.P.Wang; by (United States)D.G.Leon;by (United States)A.P.Fraas; by (United States)J.R.W.Warn;by (United States)Y.L.Yao; by (United States)D.W.Moffat;by (United States)R.T.Froyen; by (United States)C.Acherman;by (United States)D.Blackie;