@inbook{Treas2007,
author = {Treas, J. and Cohen, P.N.},
title= {Maternal coresidence and contact: Evidence from cross-sectional surveys},
year = {2007},
editor = {Gauthier, A.H.},
editor = {Chu, C.},
editor = {Tuljapurkar, S.},
booktitle = {Allocating public and private resources across generations},
address = {Dordrecht},
publisher = {Springer},
pages = {117--137},
}