00318nam a2200109Ia 450000500170000008000180001724501040003526000250013930000170016450000080018158300190018920260716043050.0  a09.05.03 U588  aChanging patterns of trade in world industry : an empirical study on revealed comparative advantage  bUNaNew YorkUSc1982  aviii, 203 p.  aIDS  c3/7/00kM2LMGR