00280nam a2200097Ia 4500080001900000245006700019260002500086300001400111583001900125650003800144  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