00309nam a2200109Ia 450000500170000008000190001724500670003626000250010330000140012858300190014265000380016120260716043622.0  a09.05.08 U5811  aOperation and effects of the generalised system of preferences  bUNaNew YorkUSc1985  avi, 99 p.  c10/24/05kJOYD  aGENERALIZED SYSTEM OF PREFERENCES