@article{Andreev2022,
author = {Andreev, E.M. and Churilova, E. and Jasilioniene, A.},
title= {Partnership context of first births in Russia: The enduring significance of marriage},
year = {2022},
doi = {10.1007/s10680-021-09600-5},
volume = {38},
number = {1},
pages = {37--58},
}