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 |