00607nam a2200145Ia 450000500170000008000190001724500830003626000250011930000130014450000080015752002470016558300190041294200130043199900170044420260716043007.0  a09.05.01 U5819  aClassification by broad economic categories : defined in terms of SITC, rev. 3  bUNaNew YorkUSc1986  ax, 68 p.  aIDS  aOutlines the broad economic categories (BEC) used for summarization of data on international trade.  The main and sub categories describe primary and processed commodities.  For each of the BEC's describes the corresponding SITC rev. 3 codes.  c3/7/00kM2LMGR  cMmU5819  c38385d38385