by (United States)N.J.Bryant;by (United States)H-C Fraenkel; by (United States)M.M.Bryant;by (United Kingdom)D.Crystal; by (United States)K.J.Button;by (United States)D.Dolphin; by (United States)N.J.Lass;by (United States)N.J.Lass; by (United States)B.J.Berne;by (United States)N.O.Smith; by (United States)N.C.Barford;by (United States)H.Hesketn; by (United States)J.Browne;by (United States)J.H.Brown; by (United States)M.L.Eaton;by (United States)N.C.Giri; by (United States)N.A.Berkoff;by (United Kingdom)R.Barne; by (United States)N.McCutchan;by (United States)R.Musman;