@article{Cohen2011,
author = {Cohen, J. and Kravdal, Ø. and Keilman, N.},
title= {Childbearing impeded education more than education impeded childbearing in a cohort of Norwegian women},
year = {2011},
doi = {10.1073/pnas.1107993108},
volume = {108},
number = {29},
pages = {11830--11835},
}