@article{Robards2011,
author = {Robards, J. and Berrington, A. and Hinde, A.},
title= {Estimating fertility rates using the ONS Longitudinal Study: What difference does the inclusion of non-continually resident members make?},
year = {2011},
doi = {10.1057/pt.2011.10},
volume = {144},
number = {1},
pages = {33--47},
}