@inbook{Bianchi2008,
author = {Bianchi, S. and Hotz, V.J. and McGarry, K. and Seltzer, J.},
title= {Intergenerational ties: Alternative theories, empirical findings and trends, and remaining challenges},
year = {2008},
editor = {Booth, A.},
editor = {Crouter, A.},
editor = {Bianchi, S.},
editor = {Seltzer, J.},
booktitle = {Intergenerational caregiving},
address = {Washington, DC},
publisher = {Urban Institute Press},
pages = {3--43},
}