@article{Han2004,
author = {Han, W.J.},
title= {Nonstandard work schedules and child care decisions: Evidence from the NICHD study of early child care},
year = {2004},
doi = {10.1016/j.ecresq.2004.04.003},
journal = {Early Childhood Research Quarterly},
volume = {19},
number = {2},
pages = {231--256},
}