@article{Saarela2014,
author = {Saarela, J. and Finnäs, F.},
title= {Sex composition of children, parental separation, and parity progression},
year = {2014},
doi = {10.4054/DemRes.2014.30.2},
journal = {Demographic Research},
volume = {30},
number = {2},
pages = {49--70},
}