by (United Kingdom)I.R.Gekker...et al;by (United Kingdom)I.S.Grant; by (United Kingdom)F.R.Leavis...et al;by (United Kingdom)J.Lucas; by (United Kingdom)A.C.Clarke...et al;by (United Kingdom)J.Cary; by (United Kingdom)J.Hollander...et al;by (United Kingdom)D.D.Moore; by (United Kingdom)J.E.Oleksy...et al;by (United Kingdom)F.A.Thompson; by (United Kingdom)K.M.Watson...et al;by (United Kingdom)C.N.Banwell; by (United Kingdom)W.A.Coupe...et al;by (United Kingdom)S.M.Sevmour; by (United Kingdom)W.W.S.Bhasker....et al;by (United Kingdom)W.W.S.Bhasker; by (United Kingdom)E.Breitmaier...et al;by (United Kingdom)L.J.Bellamy; by (United Kingdom)F.Bassani...et al;by (United Kingdom)J.D.Lawson;