@article{ref1,
title="Dead tired [human fatigue in the mining industry]",
journal="Australian journal of mining",
year="2003",
author="Macdonald, C.",
volume="16",
number="184",
pages="10-15",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0817-9646",
doi="",
url="http://dx.doi.org/"
}