by (United Kingdom)D.L.Johnson;by (USSR)M.I.Kargaplov; by (United Kingdom)L.W.Johnson;by (USSR)N.V.Kopchenova; by (United Kingdom)K.Rektorys;by (USSR)M.L.Krasnov; by (United Kingdom)B.R.Nanda;by (USSR)G.E.Pavlova; by (United Kingdom)J.L.Bell;by (USSR)W.Marek; by (United Kingdom)T.Nilsson;by (USSR)V.V.Beloussov; by (United Kingdom)C.Taylor;by (USSR)D.N.Trifonov; by (United Kingdom)C.Kay;by (USSR)E.A.Kornejeva; by (United Kingdom)J.L.Matin;by (USSR)E.Prugovecki; by (United Kingdom)R.Best;by (USSR)R.Baker;