@article{ref1,
title="Effects of d-amphetamine sulfate, caffeine, and high temperature on human performance",
journal="Research quarterly",
year="1967",
author="Lovingood, B. W. and Blyth, C. S. and Peacock, W. H. and Lindsay, R. B.",
volume="38",
number="1",
pages="64-71",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5377",
doi="",
url="http://dx.doi.org/"
}