@article{Moultrie2012,
author = {Moultrie, T. and Sayi, T.S. and Timæus, I.M.},
title= {Birth intervals, postponement, and fertility decline in Africa: A new type of transition?},
year = {2012},
doi = {10.1080/00324728.2012.701660},
journal = {Population Studies},
volume = {66},
number = {3},
pages = {241--258},
}