@article{ref1,
title="Tolerance times of high wet bulb temperatures by acclimatised and unacclimatised men",
journal="Environmental research",
year="1970",
author="Wyndham, C. H. and Strydom, N. B. and Benade, A. J. and van Rensburg, A. J.",
volume="3",
number="4",
pages="339-352",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0013-9351",
doi="",
url="http://dx.doi.org/"
}