@article{ref1,
title="Focus on hearing, head and face protection. Let protection go to your head",
journal="Occupational health and safety",
year="1998",
author="Cravens, C. P.",
volume="67",
number="3",
pages="40-42",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}