@article{Gratton2010,
author = {Gratton, B. and Gutmann, M.P.},
title= {Emptying the nest: Older men in the United States, 1880‒2000},
year = {2010},
doi = {10.1111/j.1728-4457.2010.00332.x},
volume = {36},
number = {2},
pages = {331‒356},
}