000 00402cam a22001097a 4500
008 180718b1971 xxu||||| |||| 00| 0 eng d
082 _aT1 Un3s7
245 _aBasic principal of the systems of balances of the national economy
_cby Department of Economic and Social Affairs
260 _aNew York
_bUnited Nations
_c1971
300 _aviii, 116p
700 _aU.S.A. Department of Economic and Social Affairs
999 _c496797
_d496797