@article{Bengtson1971,
author = {Bengtson, V.L. and Kuypers, J.A.},
title= {Generational Difference and the “Developmental Stake”},
year = {1971},
doi = {10.2190/AG.2.4.b},
journal = {Aging and Human Development},
volume = {2},
number = {4},
pages = {249--260},
}