@article{Lichter2006,
author = {Lichter, D. and Qian, Z. and Mellott, L.},
title= {Marriage or dissolution? Union transitions among poor cohabiting women},
year = {2006},
doi = {10.1353/dem.2006.0016},
journal = {Demography},
volume = {43},
pages = {223--240},
}