by (United States)J.O.Berger;by (United States)P.J.Bickel; by (United States)B.J.Berne;by (United States)N.O.Smith; by (United States)J.D.Hart;by (United States)P.B.High; by (United States)P.G.Hewitt;by (United States)C.Jungnickel; by (United States)W.G.V.Rosser;by (United States)B.J.Berne; by (United States)C.O.Harris;by (United States)P.E.Popov; by (United States)J.A.Wilson;by (United States)R.M.Berne; by (United States)C.A.Bergman;by (United States)C.A.Bergman; by (United States)J.A.Hartigan;by (United States)J.J.Hunter; by (United States)J.Browne;by (United States)J.H.Brown;