@article{Gratton2010,
author = {Gratton, Brian and Gutmann, Myron P.},
title= {Emptying the Nest: Older Men in the United States, 1880–2000},
year = {2010},
doi = {10.1111/j.1728-4457.2010.00332.x},
journal = {Population and Development Review},
volume = {36},
number = {2},
pages = {331--356},
}