@article{ref1,
title="Updating motor carrier compliance, part II",
journal="Occupational health and safety",
year="2008",
author="Haffenden, Chuck and Presley, Diane",
volume="77",
number="9",
pages="151-154",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}