@article{Greenfield2011,
author = {Greenfield, E.A. and Russell, D.},
title= {Identifying Living Arrangements That Heighten Risk for Loneliness in Later Life: Evidence From the U.S. National Social Life, Health, and Aging Project},
year = {2011},
doi = {10.1177/0733464810364985},
journal = {Journal of Applied Gerontology},
volume = {30},
number = {4},
pages = {524--534},
}