TY - JOUR A1 - Timæus, I.M. A1 - Moultrie, T.A. T1 - Pathways to low fertility: 50 years of limitation, curtailment and postponement of childbearing Y1 - 2020 DO - 10.1007/s13524-019-00848-5 VL - 57 IS - 1 ER -