000 00362nam a22001217a 4500
082 _a304.6
_bINV/I
245 _aInvestigation of sex age maxital stages and educational ehaxactenstics of census and population /
260 _bUnited nations,
300 _a25p. :
490 _aStatistics of census methods no 5
650 _aCensus and population
942 _cBK
999 _c305450
_d305450