@article{Sobotka2017,
author = {Sobotka, T.},
title= {Post-transitional fertility: the role of childbearing postponement in fueling and the shift to low and unstable fertility levels},
year = {2017},
doi = {10.1017/S0021932017000323},
volume = {49},
number = {S1},
pages = {S20--S45},
}