@article{Shapiro2017,
author = {Shapiro, D.  and Hinde, A. },
title= {On the pace of fertility decline in sub-Saharan Africa},
year = {2017},
doi = {10.4054/DemRes.2017.37.40},
journal = {Demographic Research },
volume = {37},
number = {40},
pages = {1327--1338},
}