@article{ref1,
title="Eyewear lenses change shape, tint for protection in wide variety of jobs",
journal="Occupational health and safety",
year="1994",
author="Campbell, S. L.",
volume="63",
number="2",
pages="52-54",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0362-4064",
doi="",
url="http://dx.doi.org/"
}