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) Learning, Pro Language (1) Hayes, Edgar Evan (1) Jepson, Lance (1)