00257nam a2200109Ia 450000500170000008000180001710000190003524500290005426000310008330000140011458300190012820260716043051.0  a01.02.01 M414  aMassad, Carlos  aNew integration strategy  bUN.ECLACaSantiagoCLc1989  a95-103 p.  c3/7/00kM2LMGR