00339nam a2200133Ia 450000500170000008000190001724500390003626000590007530000140013450000080014858300190015694200130017599900170018820260716043046.0  a03.02.01 W9271  aWorld economy : a global challenge  bUN. Department of Public InformationaNew YorkUSc1990  av, 117 p.  aIDS  c3/7/00kM2LMGR  cMmW9271  c39534d39534