@article{ref1,
title="The Effects of Benzedrine Sulfate (Amphetamine Sulfate) on Performance in a Comprehensive Psychometric Examination",
journal="Journal of psychology, The",
year="1939",
author="Carl, George P. and Turner, William D.",
volume="8",
number="1",
pages="165-216",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1939.9917659",
url="http://dx.doi.org/10.1080/00223980.1939.9917659"
}