@article{ref1,
title="Reaction time variability of mental defectives and normals",
journal="American journal of mental deficiency",
year="1967",
author="Berkson, G. and Baumeister, A.",
volume="72",
number="2",
pages="262-266",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}