@article{Sweeney2015,
author = {Sweeney, M. and Castro-Martín, T. and Mills, M.},
title= {The reproductive context of cohabitation in comparative perspective: Contraceptive use in United States, Spain, and France},
year = {2015},
doi = {10.4054/DemRes.2015.32.5},
volume = {32},
number = {5},
pages = {147--182},
}