@article{Thomson2014,
author = {Thomson, E. and Lappegard, T. and Carlson, M. and Evans, E. and Gray, E.},
title= {Childbearing across partnerships in Australia, United States, Norway and Sweden},
year = {2014},
doi = {10.1007/s13524-013-0273-6},
volume = {51},
number = {2},
pages = {485--508},
}