@article{Isherwood2012,
author = {Isherwood, L.M. and King, D.S. and Luszcz, M.A.},
title= {A longitudinal analysis of social engagement in late-life widowhood},
year = {2012},
doi = {10.2190/AG.74.3.c},
volume = {74},
number = {3},
pages = {211‒229},
}