by (United Kingdom)M.Booth;by (United States)S.Barney; by (United Kingdom)F.Bowman;by (United States)S.Lang; by (United Kingdom)R.Barne;by (United States)S.Baker; by (United Kingdom)R.Yorke;by (United States)S.Seshu; by (United Kingdom)S.Zacks;by (United States)S.Zacks; by (United Kingdom)M.A.Munem;by (United States)S.Maclane; by (United Kingdom)M.Kenyon;by (United States)A.H.Live; by (United Kingdom)M.Sachs;by (United States)R.Skinner; by (United Kingdom)A.Abragam;by (United States)M.Baranger; by (United Kingdom)M.A.Arthurs;by (United States)F.Ayres;