@article{Raley2001,
author = {Raley, K.},
title= {Increasing Fertility in Cohabiting Unions: Evidence for the Second Demographic Transition in United States},
year = {2001},
doi = {10.1353/dem.2001.0008},
journal = {Demography},
volume = {38},
number = {1},
pages = {56--66},
}