Chen, Zhen (southeast Univ, Dames, Chris (univ Of California (2) Di Bella, Frank A (boston Univ (1) Sidorov, Nikolay (irkutsk State Univ, Sidorov, Denis (russian Academy Of Sci, Rojas, Edixon M (universidead Nacional De Colombia, Sinitsyn, Alexander V (nat'l Univ Of Colombia (1) Scot R (medill-northwestern Univ, Usa) Wheeler (1) Ford, Martin (1)