@article{Casterline2001a,
author = {Casterline, J.},
title= {The pace of fertility transition: National patterns in the second half of the twentieth century},
year = {2001a},
doi = {10.1080/00324728.1966.10406092},
journal = {Population and Development Review},
volume = {27},
number = {Supplement},
pages = {17--52},
}