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)I.R.Gekker...et al;by (United Kingdom)I.S.Grant; by (United Kingdom)T.B.Akrill..et al;by (United Kingdom) by (United Kingdom)M.E.Heatherington;by (United Kingdom)J.Lyons; by (United Kingdom)K.M.Watson...et al;by (United Kingdom)C.N.Banwell; by (United Kingdom)J.Hollander...et al;by (United Kingdom)D.D.Moore; by (United Kingdom)E.Breitmaier...et al;by (United Kingdom)L.J.Bellamy; by (United Kingdom)F.R.Palmer;by (United Kingdom)G.Reevs; by (United Kingdom)J.E.Oleksy...et al;by (United Kingdom)F.A.Thompson;