by (Singapore)J.B.Heaton;by (United States)J.B.Hogins; by (Singapore)Y.K.Lim;by (United States)F.H.Field; by (United States)W.B.Cheston;by (United States)J.A.Kong; (Singapore)E.Alvarez...et al;by (United States)W.Zhu; by (United States)F.L.Head;by (United States)K.Jamsa; by (United States)M.L.Eaton;by (United States)N.C.Giri; by (Singapore)K.Ochlers;by (United Kingdom)Anne Digby; by (United States)J.D.Hart;by (United States)P.B.High;