@article{Van Bavel2013,
author = {Van Bavel, J. and Reher, D.},
title= {The baby boom and its causes: What we know and what we need to know},
year = {2013},
doi = {10.1111/j.1728-4457.2013.00591.x},
journal = {Population and Development Review},
volume = {39},
number = {2},
pages = {257--288},
}