@article{Ekert-Jaffé2002,
author = {Ekert-Jaffé, O. and Joshi, H. and Lynch, K. and Mougin, R. and Rendall, M.},
title= {Fertility, timing of births and socio-economic status in France and Britain},
year = {2002},
doi = {10.2307/3246636},
journal = {Population-E},
volume = {57},
number = {3},
pages = {475--508},
}