00299nam a2200109Ia 450000500170000008000190001710000210003624500760005726000270013330000100016058300190017020260716043020.0  a09.05.08 C9225  aAdams, Nassau A.  aTowards a global system of trade preferences among developing countries  bUNCTADaGenevaCHc1982  a29 p.  c3/7/00kM2LMGR