@article{Preston2021,
author = {Preston, S.H. and Vierboom, Y.C.},
title= {The changing age distribution of the United States},
year = {2021},
doi = {10.1111/padr.12386},
URL = {http://dx.doi.org/10.1111/padr.12386},
volume = {47},
number = {2},
pages = {527--539},
}