by (United States)A.Syoboda;by (United States)D.E.White;by (United Kingdom)G.F.Weston; by (United States)J.M.Cram;by (United States)D.J.Cram;by (United Kingdom)I.L.Finar; 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)H.Taub;by (United States)D.Schilling;by (United Kingdom)L.K.Su; by (United States)A.E.Roy;by (United States)D.Carke;by (United Kingdom)V.Illingworth; by (United States)P.J.Hilton;by (United States)G.Young;by (United Kingdom)J.C.Jaegor; by (United States)S.C.Port;by (United States)C.J.Stone;by (United Kingdom)D.Rowntree; by (United States)D.I.Porat;by (United States)A.Barna;by (United Kingdom)J.P.Hawker; by (United States)D.H.Norrie;by (United States)G.Vries;by (United Kingdom)P.Tong;