| 000 | 00447cam a22001097a 4500 | ||
|---|---|---|---|
| 008 | 180718b1983 xxu||||| |||| 00| 0 eng d | ||
| 082 | _aB12068 Un3f | ||
| 245 |
_aFertility levels and trends as assessed from twenty world fertility surveys _cby Department of International Economic and Social Affairs |
||
| 260 |
_aNew York _bUnited Nations _c1983 |
||
| 300 | _a299+p. | ||
| 700 | _aUnited Nations. Department of International Economic and Social Affairs | ||
| 999 |
_c488155 _d488155 |
||