TY - JOUR A1 - Harttgen, K. A1 - Vollmer, S. T1 - A Reversal in the Relationship of Human Development with Fertility? Y1 - 2014 DO - 10.1007/s13524-013-0252-y JF - Demography VL - 51 IS - 1 SP - 173 EP - -184 ER -