@article{ref1,
title="Socio-economic inequities in college entry: a critical specification",
journal="American educational research journal",
year="1972",
author="Hansen, Donald A. and Gold, David and Labovitz, Eugene",
volume="9",
number="4",
pages="573-590",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-8312",
doi="10.3102/00028312009004573",
url="http://dx.doi.org/10.3102/00028312009004573"
}