@article{ref1,
title="Who enrolls in head start? A demographic analysis of head start-eligible children",
journal="Early childhood research quarterly",
year="1994",
author="Hofferth, Sandra L.",
volume="9",
number="3-4",
pages="243-268",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2006",
doi="10.1016/0885-2006(94)90009-4",
url="http://dx.doi.org/10.1016/0885-2006(94)90009-4"
}