@article{Rendall2009, author = {Rendall, M.S. and Ekert-Jaffé, O. and Joshi, H. and Lynch, K. and Mougin, R. }, title= {Universal versus Economically Polarized Change in Age at First Birth: A French and British Comparison}, year = {2009}, doi = {10.1111/j.1728-4457.2009.00262.x}, journal = {Population and Development Review}, volume = {35}, number = {1}, pages = {89--115}, }