@article{ref1,
title="Grade retention: Historical perspectives and new research",
journal="Journal of school psychology",
year="2013",
author="Reschly, Amy L. and Christenson, Sandra L.",
volume="51",
number="3",
pages="319-322",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-4405",
doi="10.1016/j.jsp.2013.05.002",
url="http://dx.doi.org/10.1016/j.jsp.2013.05.002"
}