by (United States)B.G.Bishop;by (United Kingdom)A.Chantler; by (United States)J.E.Rowley;by (United Kingdom)G.Chandler; by (United States)B.H.Vassos;by (United Kingdom)N.J.Selley; by (United States)A.C.Ward;by (United Kingdom)J.Culler; by (United States)E.L.Grove;by (United Kingdom)A.Corney; by (United States)B.I.Prasad;by (United Kingdom)B.Brett; by (United States)D.Tannen;by (United Kingdom)A.Warner; by (United States)J.Glaser;by (United Kingdom)A.M.Burt; by (United States)R.Dubos;by (United Kingdom)A.G.Eyre; by (United States)G.B.Whitham;by (United Kingdom)A.W.Hendry;