@article{Treas1982,
author = {Treas, J. and Bengtson, V.L.},
title= {The demography of mid- and late-life transitions},
year = {1982},
doi = {10.1177/0002716282464001002},
journal = {Annals of the American Academy of Political and Social Sciences},
volume = {464},
number = {1},
pages = {11--21},
}