000 00417cam a22001337a 4500
008 180718b1975 xxu||||| |||| 00| 0 eng d
082 _aI5511 Un3
245 _aTowards a system of social of social and demographic statistics
_cBy United Nations
260 _aNew York
_bUnited Nations
_c1975
300 _a187p
650 _aTime management surveys
650 _aSocial indicators
650 _aDemography - Methodology
999 _c409421
_d409421