000 | 00491nam a2200133 4500 | ||
---|---|---|---|
999 |
_c302323 _d302323 |
||
082 | _a331.112 | ||
100 | _aUnited Nations. Department of Economic and Social Affairs. | ||
245 |
_aMethods of analysing census data on economic activities of the population/ _cUnited Nations. Department of Economic and Social Affairs. |
||
260 |
_aNew York: _bUnited Nations, _c1968. |
||
300 | _a143p.: | ||
490 | _aPopulation studies , no. 43. | ||
650 | _aDemography-Mathematical models | ||
942 | _cBK |