by (United States)M.A.Leontovich;by (United Kingdom)A.G.Sitenko; by (United States)J.C.Donini;by (United Kingdom)A.Gerrard; by (United States)L.Meirovitch;by (United Kingdom)A.B.Pippard; by (United States)M.A.Omar;by (United Kingdom)J.M.Ziman; by (United States)M.M.Johnson;by (United Kingdom)A.R.Kindred; by (United States)C.Drentea;by (United Kingdom)A.E.Schoflon; by (United States)E.L.Grove;by (United Kingdom)A.Corney; by (United States)J.H.Sinfelt;by (United Kingdom)Z.G.Szabo; by (United States)R.Dubos;by (United Kingdom)A.G.Eyre; by (United States)B.G.Bishop;by (United Kingdom)A.Chantler;