@article{Hayward1990,
author = {Hayward, M.D. and Grady, W.R.},
title= {Work and retirement among a cohort of older men in the United States, 1966-1983},
year = {1990},
doi = {10.2307/2061372},
journal = {Demography},
volume = {27},
number = {3},
pages = {337--356},
}