00520nam a2200169Ia 4500082002400000100006400024245005100088260003500139300001400174500000500188690000600193700000500199952010500204964001700309921000900326999001500335  a339.230212bUn58.PI  aUnited Nations. Economic and Social Affairs, Department of-  aProblems of input-output tables and analysisb  aNew YorkbUnited Nationsc1966  aiv, 157p.  a  a   a  00104070aISIbISId1998-09-01l0o339.230212 Un58.PIpDP2648r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a7556  c7556d7556