@article{Heflin2009,
author = {Heflin, C. and Sandberg, J. and Rafail, P.},
title= {The structure of material hardship in U.S. households: An examination of the coherence behind common measures of well-being},
year = {2009},
doi = {10.1525/sp.2008.56.4.746},
volume = {56},
number = {4},
pages = {746--764},
}