@article{ref1,
title="Integrating Findings: The Meta-Analysis of Research",
journal="Review of research in education",
year="1977",
author="Glass, Gene V.",
volume="5",
number="",
pages="351-351",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0091-732X",
doi="10.2307/1167179",
url="http://dx.doi.org/10.2307/1167179"
}