@article{Yu2015,
author = {Yu, J.  and Xie, Y. },
title= {Cohabitation in China: Trends and determinants},
year = {2015},
doi = {10.4054/DemRes.2014.30.53},
journal = {Population and Development Review},
volume = {41},
number = {4},
pages = {607--628},
}