@article{Christopher2002,
author = {Christopher, K. and England, P. and Smeeding, T.M. and Phillips, K.R.},
title= {The gender gap in poverty in modern nations: Single motherhood, the market, and the state},
year = {2002},
doi = {10.1525/sop.2002.45.3.219},
journal = {Sociological Perspectives},
volume = {45},
number = {3},
pages = {219--242},
}