@article{Schoumaker2013,
author = {Schoumaker, B.},
title= {A Stata module for computing fertility rates and TFRs from birth histories: tfr2},
year = {2013},
doi = {10.4054/DemRes.2013.28.38},
journal = {Demographic Research},
volume = {28},
number = {38},
pages = {1093--1144},
}