@article{Poortman2007,
author = {Poortman, A.-R. and Lyngstad, T.H.},
title= {Dissolution risks in first and higher order marital and cohabiting unions},
year = {2007},
doi = {10.1016/j.ssresearch.2007.02.005},
journal = {Social Science Research},
volume = {36},
pages = {1431--1446},
}