TY - CHAP A1 - Cleland, J. A1 - Onuoha, N. A1 - Timaeus, I. T1 - Fertility change in sub-Saharan Africa: A review of evidence Y1 - 1994 A3 - Locoh, T. A3 - Hertrich, V. T2 - The onset of fertility transition in Sub-Saharan Africa CY - Liège PB - Ordinal editions SP - 1 EP - -20 ER -