@article{Goldstein2011,
author = {Goldstein, J.R. and Kreyenfeld, M.},
title= {Has east Germany overtaken west Germany?: Recent trends in order-specific fertility},
year = {2011},
doi = {10.1111/j.1728-4457.2011.00430.x},
journal = {Population and Development Review},
volume = {37},
number = {3},
pages = {453--472},
}