@article{Fox2012,
author = {Fox, L. and Han, W.J. and Ruhm, C. and Waldfogel, J.},
title= {Time for children: Trends in the employment patterns of parents, 1967–2009},
year = {2012},
doi = {10.1007/s13524-012-0138-4},
volume = {50},
number = {1},
pages = {25--49},
}