00349nam a2200121Ia 4500020001500000082001900015100006300034245006900097260003500166300001600201500000500217700000500222  a9211614724  a339.3bUn58.UA  aUnited Nations. Department of Economic and Social Affairs.  aUpdates and amendments to the system of national accounts 1993b  aNew YorkbUnited Nationsc2004  aviii, 133p.  a  a