| 000 | 00472nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 160906s9999 xx 000 0 und d | ||
| 100 | _aHelbig, Donald W | ||
| 100 | _aWishik, Samuel M | ||
| 110 | _aColumbia University | ||
| 245 | _aFertility pattern method | ||
| 245 | _bEstimation of fertility change by retrospective quasi-cohort | ||
| 260 | _aNew York | ||
| 260 | _bColumbia University | ||
| 260 | _c1972 | ||
| 300 | _aiv, 83 | ||
| 440 | _aManual Number Series 5 | ||
| 999 |
_c97952 _d97952 |
||