@article{Lichter2003,
author = {Lichter, D.T. and Graefe, D.R. and Brown, J.B. },
title= {Is marriage a panacea? Union formation among economically disadvantaged unwed mothers},
year = {2003},
doi = {10.1525/sp.2003.50.1.60},
journal = {Social Problems},
volume = {50},
number = {1},
pages = {60--86},
}