TY - JOUR A1 - Lesthaeghe, R. A1 - Jolly, C. T1 - The start of the sub-Saharan fertility transition: some answers and many questions Y1 - 1995 DO - 10.1002/jid.3380070103 JF - Journal of International Development VL - 7 SP - 25 EP - -45 ER -