@article{Ha2006,
author = {Ha, J. and Carr, D. and Utz, R.L. and Nesse, R.},
title= {Older adults’ perceptions of intergenerational support after widowhood. How do men and women differ?},
year = {2006},
doi = {10.1177/0192513X05277810},
volume = {27},
number = {1},
pages = {3--30},
}