@article{ref1,
title="Solving the work zone puzzle",
journal="Occupational health and safety",
year="2001",
author="Sant, B.",
volume="70",
number="6",
pages="46-50",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}