@article{Wolf1994,
author = {Wolf, D.A.  and Soldo, B.J. },
title= {Married Women's Allocation of Time to Employment and Care of Elderly Parents},
year = {1994},
doi = {10.2307/146140},
journal = {The Journal of Human Resources },
volume = {29},
number = {4},
pages = {1259--1276},
}