@article{ref1,
title="Comparison of heat stress indices",
journal="American Industrial Hygiene Association journal",
year="1971",
author="Brief, R. S. and Confer, R. G.",
volume="32",
number="1",
pages="11-16",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-8894",
doi="",
url="http://dx.doi.org/"
}