@article{ref1,
title="Effects of heat stress on performance",
journal="Ergonomics",
year="1972",
author="Azer, N. Z. and McNall, P. E. and Leung, H. C.",
volume="15",
number="6",
pages="681-691",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}