@article{Liefbroer2009,
author = {Liefbroer, A.C.},
title= {Changes in family size intentions across young adulthood: A life-course perspective},
year = {2009},
doi = {10.1007/s10680-008-9173-7},
journal = {European Journal of Population},
volume = {25},
number = {4},
pages = {363‒386},
}