by (United States)F.D.Snell;by (United States)C.T.Snell;by (United Kingdom)N.A.Parris; by (United States)S.C.Port;by (United States)C.J.Stone;by (United Kingdom)D.Rowntree; by (United States)G.O.Abell;by (United States)B.Singer;by (United Kingdom)M.Buckby; by (United States)R.Iall;by (United States)V.Kuman;by (United Kingdom)R.A.Jacobs; by (United States)M.B.Wiener;by (United States)G.A.Pepper;by (United Kingdom)N.Harvey; by (United States)F.Rissover;by (United States)D.C.Birch;by (United Kingdom)S.N.Nagi; by (United States)R.V.Hogg;by (United States)A.T.Craig;by (United Kingdom)M.Kendall; by (United States)J.L.Matson;by (United States)C.L.Frame;by (United Kingdom)M.Malvey; by (United States)D.H.Norrie;by (United States)G.Vries;by (United Kingdom)P.Tong; by (United States)M.Kogan;by (United States)C.D.Herzog;by (United Kingdom)R.Meiggs;