@article{ref1,
title="Heat stress in outdoor manual workers in East Africa",
journal="Ergonomics",
year="1971",
author="Hall, S. A.",
volume="14",
number="1",
pages="91-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}