by (United Kingdom)D.W.A.Sharp;by (United Kingdom)J.F.Thorpe...et al; by (United Kingdom)A.C.Clarke;by (United Kingdom)A.C.Clarke...et al; by (United Kingdom)P.W.Atkins;by (United Kingdom)P.W.Atkins...et al; by (United Kingdom)T.G.Taylor;by (United Kingdom)J.L.Wagner...et al; by (United Kingdom)J.Heading;by (United Kingdom)R.A.Horn...et al; by (United Kingdom)R.R.Jordan;by (United Kingdom)A.K.Pugh....et al; by (United Kingdom)D.Lindley;by (United Kingdom)F.R.Leavis...et al; by (United Kingdom)L.H.Ahrens;by (United Kingdom)F.Bassani...et al; by (United Kingdom)A.Maclean;by (United Kingdom)G.Mosback...et al; by (United Kingdom)D.H.Howe;by (United Kingdom)Doff.A...et al;