@article{Kaufman2003,
author = {Kaufman, G. and Elder, G.H.},
title= {Grandparenting and age identity},
year = {2003},
doi = {10.1016/S0890-4065(03)00030-6},
journal = {Journal of Aging Studies},
volume = {17},
number = {3},
pages = {269--282},
}