@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},
pages = {363--386},
}