@article{Wagner2019,
author = {Wagner, M. and Huinink, J. and Liefbroer, A.},
title= {Running out of time? Understanding the consequences of the biological clock for the dynamics of fertility intentions and union formation},
year = {2019},
doi = {10.4054/DemRes.2019.40.1},
volume = {40},
number = {1},
pages = {1--26},
}